100 Bidding Apps for Auctions, Vehicles, Equipment, and Surplus
Online bidding now spans collectibles, vehicles, public surplus, real estate, and industrial equipment. This first group highlights 25 established options with distinct auction categories and buying workflows.
eBay
eBay lets buyers place timed bids on marketplace listings and receive auction status notifications. It helps collectors avoid manual listing checks by centralizing bids, watchlists, and seller communication.
LiveAuctioneers
LiveAuctioneers connects bidders with participating auction houses for live and timed sales across collectible categories. It helps buyers access dispersed auction-house inventories without attending every sale in person.
Invaluable
Invaluable provides online bidding for fine art, antiques, jewelry, and collectibles offered by auction houses. It helps art buyers discover catalogues and bid remotely across multiple specialist auctioneers.
HiBid
HiBid hosts online auctions from independent auctioneers, covering estate goods, vehicles, equipment, and more. It helps local buyers find nearby auction inventory without searching individual auctioneer websites.
Proxibid
Proxibid supports live and timed bidding on heavy equipment, industrial assets, collectibles, and firearms. It helps business buyers participate remotely in specialized auctions with detailed lot information.
Auction.com
Auction.com lists foreclosure and bank-owned real estate opportunities for online property bidding and purchase. It helps property investors locate auction inventory and follow transaction requirements in one place.
GovDeals
GovDeals enables public agencies to sell surplus vehicles, equipment, furniture, and other assets online. It helps budget-conscious buyers find government surplus without tracking many agency disposal pages.
Public Surplus
Public Surplus lists surplus property from government and educational organizations through online auction listings. It helps procurement teams source used assets while reducing fragmented searches across public entities.
BidSpotter
BidSpotter provides online bidding for industrial machinery, manufacturing equipment, vehicles, and business assets. It helps operators find liquidation equipment beyond local auctions and bid from remote locations.
Sotheby's
Sotheby's offers online bidding for art, luxury goods, collectibles, and selected real estate sales. It helps high-value buyers review auction catalogues and participate without traveling to salerooms.
Christie's
Christie's supports online bidding for fine art, luxury objects, collectibles, and curated sale categories. It helps collectors monitor specialist sales and submit bids through a single digital account.
Heritage Auctions
Heritage Auctions runs online auctions for collectibles, coins, comics, memorabilia, and luxury items. It helps niche collectors track category-specific lots and manage bids across recurring auctions.
Catawiki
Catawiki operates curated online auctions for collectibles, art, design, watches, and unusual objects. It helps buyers discover vetted specialty listings without sorting through broad general-purpose marketplaces.
Whatnot
Whatnot hosts live video auctions where sellers present products and buyers bid in real time. It helps sellers create interactive auctions while giving buyers immediate visibility into listed items.
ShopGoodwill
ShopGoodwill auctions donated goods online, including electronics, jewelry, collectibles, and household items. It helps bargain hunters browse inventory from participating Goodwill organizations beyond local store shelves.
PropertyRoom
PropertyRoom auctions unclaimed police property, including jewelry, electronics, bicycles, and vehicles online. It helps buyers access municipal surplus listings without visiting police impound facilities.
Copart
Copart provides online vehicle auctions featuring salvage, used, and wholesale inventory for registered buyers. It helps vehicle businesses source auction inventory and inspect lot details remotely before bidding.
IAA
IAA operates online auctions for salvage and used vehicles, serving licensed and eligible buyers. It helps repairers and resellers locate damaged vehicles through searchable auction inventory and condition reports.
Bring a Trailer
Bring a Trailer runs enthusiast-focused online auctions for classic, collectible, and distinctive vehicles. It helps automotive buyers evaluate enthusiast vehicles through detailed listings and community discussion.
Cars & Bids
Cars & Bids hosts online auctions for modern enthusiast cars, trucks, and related vehicles. It helps buyers focus on newer enthusiast inventory instead of filtering broad vehicle auction catalogues.
Collecting Cars
Collecting Cars operates online auctions for classic cars, modern collectibles, and automotive memorabilia. It helps international enthusiasts browse curated automotive listings and bid across regional markets remotely.
GunBroker
GunBroker is an online marketplace where eligible users bid on firearms, accessories, and outdoor equipment. It helps outdoor buyers compare specialized listings while following seller and transfer requirements.
EquipmentFacts
EquipmentFacts hosts online auctions for farm machinery, construction equipment, trucks, and related assets. It helps equipment buyers find dealer and auctioneer inventory without relying solely on local networks.
Auctria
Auctria provides auction-management tools with online bidding, cataloguing, payments, and bidder administration features. It helps small auction organizers replace disconnected spreadsheets, registration forms, and payment processes.
Handbid
Handbid provides mobile and online silent-auction tools for fundraisers, events, and nonprofit campaigns. It helps event organizers reduce paper bid sheets and keep participants engaged during fundraising auctions.
AuctionZip
AuctionZip lists upcoming auctions, allowing users to search events by location, category, auctioneer, and date. It helps buyers avoid scattered local listings by bringing auction schedules and sale details into one searchable directory.
Bidsquare
Bidsquare hosts online auctions for art, antiques, and collectibles, with catalog browsing and digital bidding. It helps collectors reach specialist auction houses without traveling to each sale or requesting paper catalogs.
The Saleroom
The Saleroom streams participating auctioneers' sales online and supports live, absentee, and timed bids. It addresses remote participation barriers by letting buyers follow auction-room sales from a browser or app.
Drouot Digital
Drouot Digital lets collectors browse catalogued sales and place live, absentee, or timed bids online. It simplifies access to French auction-house inventories for buyers who cannot attend sales in person.
Bonhams
Bonhams provides online catalog access and bidding for art, collectibles, vehicles, and luxury sales. It helps international buyers participate in Bonhams auctions without relying solely on telephone bidding.
Phillips
Phillips lets clients browse contemporary art, design, watches, and jewelry auctions and submit bids online. It reduces friction for collectors seeking specialist lots by centralizing catalogs, estimates, and bidding tools.
Ritchie Bros.
Ritchie Bros. sells construction, transportation, and industrial equipment through live and timed online auctions. It helps equipment buyers source machinery across regions without visiting every auction yard personally.
IronPlanet
IronPlanet auctions used equipment online and publishes inspection reports for many listed assets. It reduces uncertainty about distant machinery by providing condition documentation before buyers place bids.
Purple Wave
Purple Wave runs no-reserve online auctions for used equipment, vehicles, and agricultural assets. It helps sellers move surplus assets without setting reserve prices or managing individual buyer negotiations.
AllSurplus
AllSurplus sells government and corporate surplus, including equipment, vehicles, and facilities assets, through online auctions. It gives procurement teams a centralized route to surplus inventory that would otherwise be difficult to locate.
Municibid
Municibid enables public agencies to auction surplus vehicles, equipment, and other municipal property online. It helps local governments dispose of unused assets transparently while reaching a broader pool of bidders.
GSA Auctions
GSA Auctions sells federal surplus personal property through online auctions open to registered bidders. It makes federal surplus easier to access by publishing listings and bidding processes in one place.
eBid
eBid is an online marketplace where sellers list goods using auction and fixed-price formats. It gives small sellers an alternative channel for selling individual items without building their own storefront.
Delcampe
Delcampe is a collectibles marketplace where users buy and sell stamps, postcards, coins, and related items. It helps niche collectors find specialized items that are rarely available through general retail marketplaces.
Everything But The House
Everything But The House conducts online estate sales featuring photographed household goods, art, and collectibles. It helps estate sellers organize dispersed household inventory into a managed online sale format.
AuctionNinja
AuctionNinja hosts online estate and liquidation auctions run by participating auction houses and sellers. It helps buyers discover regional estate inventory without attending multiple physical preview events.
MaxSold
MaxSold organizes online auctions for downsizing, estate, and business liquidation sales with local pickup. It helps households and small businesses sell large quantities of belongings during transitions or closures.
Nellis Auction
Nellis Auction sells returned, overstock, and liquidation merchandise through online auctions with local pickup. It helps bargain shoppers access discounted inventory while providing a resale path for returned goods.
BidFTA
BidFTA runs local online auctions for liquidation merchandise, retail returns, and surplus consumer goods. It helps buyers source discounted everyday products while using scheduled pickup instead of conventional retail delivery.
K-BID
K-BID hosts online auctions run by local affiliates, covering estate goods, collectibles, and business inventory. It helps regional auctioneers reach online bidders without independently building auction software and payment workflows.
Aucto
Aucto operates an online marketplace for buying and selling used industrial equipment through auctions and listings. It helps manufacturers and contractors find specialized used equipment beyond their immediate local networks.
GovPlanet
GovPlanet auctions government surplus equipment online, including vehicles, tools, and heavy machinery. It gives buyers a dedicated source for government assets that may not appear in commercial equipment channels.
Liquidation.com
Liquidation.com auctions surplus, returned, and refurbished merchandise in lots for business buyers. It helps resellers source bulk inventory without negotiating separately with numerous retailers or distributors.
BidWrangler
BidWrangler provides online bidding technology that auctioneers use to host live and timed sales. It helps auction houses extend participation beyond the room without developing their own bidding platform.
BiddingOwl
BiddingOwl provides online and mobile auction tools for nonprofit fundraising events and campaigns. It helps nonprofit teams manage donor bidding and auction administration with less manual event coordination.
Givebutter
Givebutter provides fundraising tools that let organizations run mobile-friendly charity auctions alongside donation campaigns. It helps nonprofits replace scattered bidding sheets by collecting bids and payments through one digital fundraiser.
32auctions
32auctions lets organizations create online auctions, publish item listings, accept bids, and process payments. It reduces manual auction administration by centralizing item catalogs, bidder registration, bidding, and checkout.
GalaBid
GalaBid supports nonprofit silent auctions with mobile bidding, item management, and event fundraising tools. It helps event organizers avoid paper bid sheets while giving guests a straightforward mobile bidding experience.
OneCause
OneCause offers fundraising software for auctions, ticketing, donations, and peer-to-peer giving events. It addresses fragmented gala workflows by connecting auction bidding, donor records, ticket sales, and payments.
Silent Auction Pro
Silent Auction Pro provides auction and event-management tools for nonprofit fundraising campaigns and galas. It helps teams manage donor items and bidder activity without relying on separate spreadsheets and forms.
ClickBid
ClickBid delivers mobile bidding and fundraising tools for charities running silent and live auction events. It reduces checkout delays by allowing bidders to participate, receive notifications, and pay electronically.
BetterWorld
BetterWorld offers free fundraising tools including online auctions, ticketing, raffles, and donation pages. It helps smaller nonprofits launch digital auctions without assembling several disconnected fundraising systems.
CharityAuctionsToday
CharityAuctionsToday enables nonprofits to host online and hybrid auctions with mobile bidding capabilities. It solves limited event reach by letting supporters bid remotely before and during fundraising events.
SchoolAuction.net
SchoolAuction.net provides auction-management software designed for school fundraisers, galas, and community events. It helps volunteer committees organize procurement, bidder registration, and payments in one structured system.
Jumblebee
Jumblebee provides online auction, raffle, ticketing, and donation tools for charitable organizations. It helps fundraisers reduce administrative work by combining campaign setup, bidding, and payment collection.
Bid Beacon
Bid Beacon offers mobile silent-auction software for charities, schools, and fundraising event organizers. It replaces handwritten bids with real-time mobile participation, reducing ambiguity around current winning offers.
Auction Mobility
Auction Mobility develops branded mobile and web bidding technology for auction houses and their clients. It helps auction houses offer branded digital bidding instead of sending clients to generic marketplaces.
Auction Flex
Auction Flex provides auction-management software for cataloging lots, managing bidders, invoicing, and reporting. It eases back-office complexity by keeping auction inventory, customer records, and billing data together.
Wavebid
Wavebid provides auction cataloging and management software for auctioneers handling inventory and online sales. It helps auction teams avoid repetitive data entry when preparing lots, images, descriptions, and invoices.
AuctionWorx
AuctionWorx provides configurable online auction software for timed, live, and reverse auction formats. It helps businesses build tailored bidding experiences without developing a custom auction platform internally.
NextLot
NextLot provides online auction software supporting webcast bidding, timed auctions, and auction-house websites. It helps auctioneers reach remote bidders while retaining control over catalogs and sale presentation.
Bidpath
Bidpath supplies online auction technology and marketplace services for auctioneers across multiple asset categories. It helps auction businesses expand digital selling without independently building bidding infrastructure and payment workflows.
iCollector
iCollector hosts online auctions and provides live internet bidding for collectibles, art, and specialty assets. It helps collectors attend dispersed sales remotely instead of traveling to individual auction locations.
Barnebys
Barnebys aggregates auction listings and catalogs, helping users discover lots from participating auction houses. It reduces the time collectors spend searching many auction-house websites for relevant upcoming lots.
Goldin
Goldin operates online auctions for trading cards, memorabilia, and other collectible categories worldwide. It helps collectors find specialized buyers and sellers through a marketplace focused on authenticated collectible interests.
ComicLink
ComicLink runs online auctions and marketplaces for comic books, original art, and related collectibles. It helps comic collectors locate niche material without monitoring broad marketplaces with less specialized inventory.
RR Auction
RR Auction conducts auctions for autographs, historical artifacts, space memorabilia, and other collectibles. It helps history-focused buyers discover curated specialty lots through regularly organized online auction catalogs.
Bid4Assets
Bid4Assets hosts online auctions for real estate, tax-sale properties, and government surplus assets. It helps buyers access public-sector and property auctions without attending courthouse or agency sales physically.
Xome
Xome offers an online real estate marketplace that includes auction listings and property transaction services. It helps property buyers compare auction opportunities and listing details through a single digital search process.
Hubzu
Hubzu is an online real estate marketplace where buyers can bid on homes through auctions. It helps homebuyers participate in property auctions remotely while reviewing listing information and bidding activity.
BidNet Direct
BidNet Direct aggregates government bid opportunities and lets vendors search notices by industry and location. It reduces time spent checking scattered public-agency websites for relevant contract solicitations.
SAM.gov
SAM.gov publishes U.S. federal contracting opportunities, allowing businesses to find and pursue government solicitations. It helps contractors avoid missing federal opportunities hidden across separate agency procurement channels.
Bonfire
Bonfire provides public-sector procurement software for issuing solicitations, collecting submissions, and evaluating supplier responses. It centralizes complex tender workflows that otherwise rely on email, spreadsheets, and paper documents.
OpenGov Procurement
OpenGov Procurement helps public agencies create solicitations, manage vendor communications, and evaluate submitted bids. It gives procurement teams a structured way to coordinate bid reviews and maintain records.
PlanetBids
PlanetBids connects public agencies with vendors through online solicitation posting, bid submission, and contract management. It simplifies finding agency opportunities and submitting required documents through one procurement portal.
DemandStar
DemandStar distributes government procurement notices and provides tools for vendors to locate bidding opportunities. It helps suppliers discover municipal and regional solicitations without monitoring every agency individually.
Vendor Registry
Vendor Registry enables government agencies to publish bids and vendors to register for procurement notifications. It reduces missed opportunities by sending vendors alerts for matching public-sector solicitations.
Ion Wave Technologies
Ion Wave Technologies offers e-procurement tools for government entities to conduct online competitive bidding. It replaces fragmented bid intake processes with a single environment for solicitation management.
BidExpress
BidExpress supports electronic bidding for transportation and infrastructure projects, including secure proposal submission. It helps contractors submit time-sensitive highway bids without relying on physical delivery methods.
BidPrime
BidPrime provides construction bid intelligence, project leads, and public procurement opportunity tracking. It helps contractors identify relevant upcoming work before competitors find the same projects.
Construction Journal
Construction Journal publishes project leads, plans, and bidding information for commercial and public construction work. It reduces the effort of researching local construction projects across numerous public sources.
BuildingConnected
BuildingConnected helps general contractors invite subcontractors, manage bid packages, and compare submitted proposals. It organizes subcontractor outreach and bid leveling when project teams receive many responses.
Procore
Procore provides construction management software with tools for bid invitations, documents, and contractor collaboration. It keeps estimating teams aligned when plans, addenda, and bidder communications change frequently.
PlanHub
PlanHub connects general contractors and subcontractors through project postings, bid invitations, and construction documents. It helps subcontractors find suitable projects without depending solely on existing contractor relationships.
SmartBid
SmartBid helps general contractors distribute bid invitations, track responses, and manage subcontractor databases. It reduces manual follow-up work when gathering subcontractor pricing for multiple trade packages.
ConstructConnect
ConstructConnect supplies construction project data, bid management tools, and market intelligence for industry professionals. It helps builders spot projects earlier and focus business-development efforts on viable opportunities.
Dodge Construction Network
Dodge Construction Network provides construction project information, planning data, and tools for pursuing upcoming work. It addresses limited project visibility by surfacing developments before they reach active bidding.
iSqFt
iSqFt offers construction bid management tools for sharing plans, inviting bidders, and tracking proposals. It helps estimators manage high volumes of documents and bidder communications in one place.
The Blue Book Network
The Blue Book Network connects construction professionals through project opportunities, company directories, and bid resources. It helps contractors expand their network when seeking qualified partners and new project leads.
QuestCDN
QuestCDN distributes construction bid documents and supports electronic bidding for public and private projects. It gives bidders dependable access to plans and addenda instead of handling separate file requests.
CivCast
CivCast provides digital procurement services for public works projects, including plan distribution and online bidding. It streamlines public-works bid access for contractors managing several local agency opportunities.
Public Purchase
Public Purchase operates an e-procurement platform for government agencies to post and manage solicitations. It helps vendors track government opportunities through standardized registration and notification processes.
PennBid
PennBid facilitates online bidding for public agencies, schools, and construction-related procurement projects. It reduces administrative friction when buyers need securely timestamped electronic bid submissions.
MERX
MERX publishes Canadian public and private tender opportunities for suppliers seeking contract work. It helps businesses monitor procurement notices across Canadian jurisdictions from a centralized source.
JAGGAER
JAGGAER provides enterprise procurement software for sourcing events, supplier management, and competitive bid evaluations. It helps procurement teams control complex sourcing processes involving many suppliers and stakeholders.
The remaining selections will expand into more auction, procurement, construction, and fundraising bidding tools. The right choice depends on what is being bought, who can bid, and how much workflow support is needed.