Open source focus
Open Source Alternatives to Contra
60 open source Freelance Marketplace options similar to Contra, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Tapavan29HR TechLondon, United KingdomOpen source
Flex51HR TechSan Francisco, United States$85.0MOpen source
Harri58HR TechNew York, United States$80.0MOpen source
- RYRye39Talent ManagementSan Francisco, United States$16.7M
Open source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
ShiftMed74HealthTechRockville, United States$292.0MOpen source
Stripe, Inc.72BillingSouth San Francisco, United States$11.4BOpen source
Stripes AI68FintechSouth San Francisco, United States$25.4MOpen source
Iyzico58FintechIstanbul, Turkey$30.6MOpen source
Catena Labs56Agentic AISan Francisco, United States$36.0MOpen source
BitPay56FintechAtlanta, United StatesOpen source
Shopify55E-commerce PlatformOttawa, Canada$122.3MOpen source
Ghost53Publishing PlatformSingapore, Singapore$7.4MOpen source · Self-hostable
Banked53FintechLondon, United Kingdom$2.0MOpen source
Origin Protocol51Web3San Francisco, United States$88.0MOpen source
VAYA46EnterpriseSan Francisco, United StatesOpen source
Credbull40FintechTel Aviv, Israel$1.5MOpen source
Gigaroo37Fintech$2.5MOpen source
Revyve35HR TechTel Aviv, Israel$27.3MOpen source
Brexia34FintechSan Francisco, United StatesOpen source
Traditional Payment Gateways (Stripe, PayPal)23FintechSan Francisco, United StatesOpen source
Airfleet20MarketingOpen source
Hypercubic12Enterprise SoftwareSan Francisco, United StatesOpen source
GigkeeperFreelancer ToolsTel Aviv, IsraelOpen source
ThewhiteswanAI Talent AcquisitionTel Aviv, IsraelOpen source
AutoremixVideo Editing SoftwareLondon, United KingdomOpen source
LeadchangeLeadership DevelopmentOpen source
ZedareFintechOpen source
NvoicedFintechOpen source
GilloGenerative AILondon, United KingdomOpen source
Forter85FintechNew York, United States$550.0MOpen source
Wix85WebsiteTel Aviv, Israel$1.3BOpen source
WooCommerce (Automattic)79E-commerceSan Francisco, United States$815.7MOpen source · Self-hostable
Elementor79WebsiteRamat Gan, Israel$65.8MOpen source · Self-hostable
Hugging Face76AINew York, United States$395.2MOpen source · Self-hostable
Plaid74FintechSan Francisco, United States$734.3MOpen source
Razorpay73FintechBengaluru, IndiaOpen source
Rapyd73PaymentsLondon, United Kingdom$1.3BOpen source
PandaDoc70Document Management & eSignaturePhiladelphia, United StatesOpen source
Quantum Machines69Quantum ComputingTel Aviv, Israel$293.0MOpen source
Chargebee69FintechChennai, India$303.0MOpen source
HeyGen68VideoSan Francisco, United StatesOpen source
Paddle67FintechLondon, United Kingdom$318.0MOpen source
Zenity66CybersecuritySan Francisco, United States$59.5MOpen source
Mercury64FintechSan Francisco, United States$500.0MOpen source
- Karat Lab63Talent Acquisitionנתניה, Israel
Open source
Nagomi Security63CybersecuritySan Francisco, United States$30.0MOpen source
Clair63FintechNew York, United States$67.7MOpen source
Rewire63FintechTel Aviv, Israel$57.0MOpen source
Warmly63Agentic AISan Francisco, United States$19.7MOpen source
Domino Data Lab, Inc.63AI GovernanceNew York, United States$100.5MOpen source
Storyblocks63Creator EconomyWashington, United States$50.0MOpen source
GreytHR62HR TechBangalore, India$5.0MOpen source
Wirex62FintechLondon, United Kingdom$15.0MOpen source
Solana61BlockchainSan Francisco, United States$195.5MOpen source
Lever61HR TechSan Francisco, United States$82.8MOpen source
Shift4 Europe61FintechAllentown, United States$160.0MOpen source
Spacelift61Infrastructure as CodeWarsaw, Poland$73.6MOpen source
Afterpay61FintechMelbourne, Australia$1.0BOpen source
Intruder60CybersecurityLondon, United Kingdom$63.0MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Tapavan | HR Tech | Open source | London, United Kingdom | — | 29 |
| Flex | HR Tech | Open source | San Francisco, United States | $85.0M | 51 |
| Harri | HR Tech | Open source | New York, United States | $80.0M | 58 |
| RYRye | Talent Management | Open source | San Francisco, United States | $16.7M | 39 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| ShiftMed | HealthTech | Open source | Rockville, United States | $292.0M | 74 |
| Stripe, Inc. | Billing | Open source | South San Francisco, United States | $11.4B | 72 |
| Stripes AI | Fintech | Open source | South San Francisco, United States | $25.4M | 68 |
| Iyzico | Fintech | Open source | Istanbul, Turkey | $30.6M | 58 |
| Catena Labs | Agentic AI | Open source | San Francisco, United States | $36.0M | 56 |
| BitPay | Fintech | Open source | Atlanta, United States | — | 56 |
| Shopify | E-commerce Platform | Open source | Ottawa, Canada | $122.3M | 55 |
| Ghost | Publishing Platform | Open source · Self-hostable | Singapore, Singapore | $7.4M | 53 |
| Banked | Fintech | Open source | London, United Kingdom | $2.0M | 53 |
| Origin Protocol | Web3 | Open source | San Francisco, United States | $88.0M | 51 |
| VAYA | Enterprise | Open source | San Francisco, United States | — | 46 |
| Credbull | Fintech | Open source | Tel Aviv, Israel | $1.5M | 40 |
| Gigaroo | Fintech | Open source | — | $2.5M | 37 |
| Revyve | HR Tech | Open source | Tel Aviv, Israel | $27.3M | 35 |
| Brexia | Fintech | Open source | San Francisco, United States | — | 34 |
| Traditional Payment Gateways (Stripe, PayPal) | Fintech | Open source | San Francisco, United States | — | 23 |
| Airfleet | Marketing | Open source | — | — | 20 |
| Hypercubic | Enterprise Software | Open source | San Francisco, United States | — | 12 |
| Gigkeeper | Freelancer Tools | Open source | Tel Aviv, Israel | — | — |
| Thewhiteswan | AI Talent Acquisition | Open source | Tel Aviv, Israel | — | — |
| Autoremix | Video Editing Software | Open source | London, United Kingdom | — | — |
| Leadchange | Leadership Development | Open source | — | — | — |
| Zedare | Fintech | Open source | — | — | — |
| Nvoiced | Fintech | Open source | — | — | — |
| Gillo | Generative AI | Open source | London, United Kingdom | — | — |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 |
| Wix | Website | Open source | Tel Aviv, Israel | $1.3B | 85 |
| WooCommerce (Automattic) | E-commerce | Open source · Self-hostable | San Francisco, United States | $815.7M | 79 |
| Elementor | Website | Open source · Self-hostable | Ramat Gan, Israel | $65.8M | 79 |
| Hugging Face | AI | Open source · Self-hostable | New York, United States | $395.2M | 76 |
| Plaid | Fintech | Open source | San Francisco, United States | $734.3M | 74 |
| Razorpay | Fintech | Open source | Bengaluru, India | — | 73 |
| Rapyd | Payments | Open source | London, United Kingdom | $1.3B | 73 |
| PandaDoc | Document Management & eSignature | Open source | Philadelphia, United States | — | 70 |
| Quantum Machines | Quantum Computing | Open source | Tel Aviv, Israel | $293.0M | 69 |
| Chargebee | Fintech | Open source | Chennai, India | $303.0M | 69 |
| HeyGen | Video | Open source | San Francisco, United States | — | 68 |
| Paddle | Fintech | Open source | London, United Kingdom | $318.0M | 67 |
| Zenity | Cybersecurity | Open source | San Francisco, United States | $59.5M | 66 |
| Mercury | Fintech | Open source | San Francisco, United States | $500.0M | 64 |
| Talent Acquisition | Open source | נתניה, Israel | — | 63 | |
| Nagomi Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 63 |
| Clair | Fintech | Open source | New York, United States | $67.7M | 63 |
| Rewire | Fintech | Open source | Tel Aviv, Israel | $57.0M | 63 |
| Warmly | Agentic AI | Open source | San Francisco, United States | $19.7M | 63 |
| Domino Data Lab, Inc. | AI Governance | Open source | New York, United States | $100.5M | 63 |
| Storyblocks | Creator Economy | Open source | Washington, United States | $50.0M | 63 |
| GreytHR | HR Tech | Open source | Bangalore, India | $5.0M | 62 |
| Wirex | Fintech | Open source | London, United Kingdom | $15.0M | 62 |
| Solana | Blockchain | Open source | San Francisco, United States | $195.5M | 61 |
| Lever | HR Tech | Open source | San Francisco, United States | $82.8M | 61 |
| Shift4 Europe | Fintech | Open source | Allentown, United States | $160.0M | 61 |
| Spacelift | Infrastructure as Code | Open source | Warsaw, Poland | $73.6M | 61 |
| Afterpay | Fintech | Open source | Melbourne, Australia | $1.0B | 61 |
| Intruder | Cybersecurity | Open source | London, United Kingdom | $63.0M | 60 |