Open source focus
HeroDevs is open source
Open Source Alternatives to HeroDevs
60 open source Legacy Modernization options similar to HeroDevs, 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.
Node.js26Software DevelopmentOpen source · Self-hostable
- LegacyfixerLegacy System Modernization
Open source
Nexaric TechnologiesCustom Software DevelopmentSan Francisco, United StatesOpen source
- VostexSoftware EngineeringValdivia, Chile
Open source
Versa DigitalCustom Software DevelopmentExeter, EnglandOpen source
Cvent85Event Management SoftwareTysons, United States$232.0MOpen source
New Relic85Enterprise SoftwareSan Francisco, United States$7.2BOpen source
VAST Data85StorageNew York, United States$881.0MOpen source
Forter85FintechNew York, United States$550.0MOpen source
1Password85CybersecurityToronto, Canada$1.2BOpen source
Ubuntu85Operating SystemsLondon, United Kingdom$63.0MOpen source · Self-hostable
Wix85WebsiteTel Aviv, Israel$1.3BOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Databricks82Data AnalyticsSan Francisco, United States$31.7BOpen source · Self-hostable
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
Postman78API DevelopmentSan Francisco, United StatesOpen source
TestMu AI (Formerly LambdaTest)77MLOpsSan Francisco, United States$121Open source
Mastra75Agentic AISan Francisco, United States$35.5MOpen source · Self-hostable
Auth075Identity & Access Management (IAM)Bellevue, United States$282.4MOpen source
Redis75DatabaseSan Francisco, United States$906.8MOpen source · Self-hostable
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
Vanta75CybersecuritySan Francisco, United States$154.0MOpen source
Scandit75Computer VisionZurich, Switzerland$267.5MOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
ShiftMed74HealthTechRockville, United States$292.0MOpen source
StarkWare73BlockchainTel Aviv, Israel$180.0MOpen source
InstaDeep71Decision-Making AITunis, Tunisia$177.0MOpen source
WorkOS71Developer ToolsSan Francisco, United States$198.0MOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
SUSE70Cloud ComputingLuxembourg City, Luxembourg$4.9BOpen source · Self-hostable
Hightouch70Customer Data PlatformSan Francisco, United States$322.0MOpen source
Jitterbit70iPaaSOakland, United States$103.0MOpen source
Birdeye70Reputation ManagementPalo Alto, United States$85.0MOpen source
WekaIO70ComputingCampbell, United States$565.0MOpen source
Quickbase69Work ManagementWaltham, United States$1.0BOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
Quantum Machines69Quantum ComputingTel Aviv, Israel$293.0MOpen source
Talon Cyber Security69EnterpriseNew York, United States$126.0MOpen source
LogicGate Risk Cloud68GRCChicago, United States$269.0MOpen source
Posit68Data Science PlatformBoston, United States$169.9MOpen source · Self-hostable
Percepto67DronesTel Aviv, Israel$136.8MOpen source
Orion Advisor Solutions67FintechOmaha, United States$223.0MOpen source
YugabyteDB67DatabaseSunnyvale, United States$266.0MOpen source · Self-hostable
ClickUp67Project ManagementSan Francisco, United States$531.5MOpen source
Tecton, Inc.67MLOpsSan Francisco, United States$257.0MOpen source
- IRIronclad67Legal & ComplianceSan Francisco, United States
Open source
Starburst67AIBoston, United States$414.0MOpen source · Self-hostable
SiFive66AI ChipSan Jose, United States$774.9MOpen source
Pendo66Product AnalyticsRaleigh, United States$458.5MOpen source
Zenity66CybersecuritySan Francisco, United States$184.5MOpen source
ScyllaDB66DatabasePalo Alto, United States$101.0MOpen source · Self-hostable
Solo.io66Artificial IntelligenceCambridge, USA$174.8MOpen source · Self-hostable
Tines66Security AutomationDublin, Ireland$260.1MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Cockroach Labs65EnterpriseNew York, United States$308.1MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Node.js | Software Development | Open source · Self-hostable | — | — | 26 | |
| Legacy System Modernization | Open source | — | — | — | ||
| Nexaric Technologies | Custom Software Development | Open source | San Francisco, United States | — | — | |
| Software Engineering | Open source | Valdivia, Chile | — | — | ||
| Versa Digital | Custom Software Development | Open source | Exeter, England | — | — | |
| Cvent | Event Management Software | Open source | Tysons, United States | $232.0M | 85 | |
| New Relic | Enterprise Software | Open source | San Francisco, United States | $7.2B | 85 | |
| VAST Data | Storage | Open source | New York, United States | $881.0M | 85 | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 | |
| 1Password | Cybersecurity | Open source | Toronto, Canada | $1.2B | 85 | |
| Ubuntu | Operating Systems | Open source · Self-hostable | London, United Kingdom | $63.0M | 85 | |
| Wix | Website | Open source | Tel Aviv, Israel | $1.3B | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Databricks | Data Analytics | Open source · Self-hostable | San Francisco, United States | $31.7B | 82 | |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 | |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 | |
| Cursor | Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 | |
| Postman | API Development | Open source | San Francisco, United States | — | 78 | |
| TestMu AI (Formerly LambdaTest) | MLOps | Open source | San Francisco, United States | $121 | 77 | |
| Mastra | Agentic AI | Open source · Self-hostable | San Francisco, United States | $35.5M | 75 | |
| Auth0 | Identity & Access Management (IAM) | Open source | Bellevue, United States | $282.4M | 75 | |
| Redis | Database | Open source · Self-hostable | San Francisco, United States | $906.8M | 75 | |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 | |
| Vanta | Cybersecurity | Open source | San Francisco, United States | $154.0M | 75 | |
| Scandit | Computer Vision | Open source | Zurich, Switzerland | $267.5M | 75 | |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 | |
| ShiftMed | HealthTech | Open source | Rockville, United States | $292.0M | 74 | |
| StarkWare | Blockchain | Open source | Tel Aviv, Israel | $180.0M | 73 | |
| InstaDeep | Decision-Making AI | Open source | Tunis, Tunisia | $177.0M | 71 | |
| WorkOS | Developer Tools | Open source | San Francisco, United States | $198.0M | 71 | |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 | |
| Temporal | Workflow Automation | Open source | Seattle, United States | $134.0M | 71 | |
| SUSE | Cloud Computing | Open source · Self-hostable | Luxembourg City, Luxembourg | $4.9B | 70 | |
| Hightouch | Customer Data Platform | Open source | San Francisco, United States | $322.0M | 70 | |
| Jitterbit | iPaaS | Open source | Oakland, United States | $103.0M | 70 | |
| Birdeye | Reputation Management | Open source | Palo Alto, United States | $85.0M | 70 | |
| WekaIO | Computing | Open source | Campbell, United States | $565.0M | 70 | |
| Quickbase | Work Management | Open source | Waltham, United States | $1.0B | 69 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 | |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 | |
| Quantum Machines | Quantum Computing | Open source | Tel Aviv, Israel | $293.0M | 69 | |
| Talon Cyber Security | Enterprise | Open source | New York, United States | $126.0M | 69 | |
| LogicGate Risk Cloud | GRC | Open source | Chicago, United States | $269.0M | 68 | |
| Posit | Data Science Platform | Open source · Self-hostable | Boston, United States | $169.9M | 68 | |
| Percepto | Drones | Open source | Tel Aviv, Israel | $136.8M | 67 | |
| Orion Advisor Solutions | Fintech | Open source | Omaha, United States | $223.0M | 67 | |
| YugabyteDB | Database | Open source · Self-hostable | Sunnyvale, United States | $266.0M | 67 | |
| ClickUp | Project Management | Open source | San Francisco, United States | $531.5M | 67 | |
| Tecton, Inc. | MLOps | Open source | San Francisco, United States | $257.0M | 67 | |
| IRIronclad | Legal & Compliance | Open source | San Francisco, United States | — | 67 | |
| Starburst | AI | Open source · Self-hostable | Boston, United States | $414.0M | 67 | |
| SiFive | AI Chip | Open source | San Jose, United States | $774.9M | 66 | |
| Pendo | Product Analytics | Open source | Raleigh, United States | $458.5M | 66 | |
| Zenity | Cybersecurity | Open source | San Francisco, United States | $184.5M | 66 | |
| ScyllaDB | Database | Open source · Self-hostable | Palo Alto, United States | $101.0M | 66 | |
| Solo.io | Artificial Intelligence | Open source · Self-hostable | Cambridge, USA | $174.8M | 66 | |
| Tines | Security Automation | Open source | Dublin, Ireland | $260.1M | 66 | |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 | |
| Cockroach Labs | Enterprise | Open source | New York, United States | $308.1M | 65 |