Open source focus
FossID is open source
Open Source Alternatives to FossID
60 open source Software options similar to FossID, 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.
Axiom Quant58Artificial IntelligenceSan Francisco, United States$264.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
XBOW69CybersecuritySeattle, United States$215.0MOpen source
Sysdig69CybersecuritySan Francisco, USA$608.0MOpen source
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
NinjaOne62SoftwareAustin, United States$1.2BOpen source
Boost Security57CybersecuritySan Francisco, USA$12.0MOpen source
- ESEscape55CybersecurityParis, France$21.9M
Open source
Tensorlake54Artificial IntelligenceSan Francisco, United States$8.0MOpen source
Theori54CybersecurityAustin, United States$15.4MOpen source
Respan49Artificial IntelligenceSan Francisco, United States$5.0MOpen source
Arcade46Artificial IntelligenceSan Francisco, USA$60.0MOpen source
LettaAI38Artificial IntelligenceSan Francisco, United States$1.5MOpen source
Gravitee4CybersecurityLondon, United KingdomOpen source
WWT85CybersecuritySt. Louis, USA$63.0MOpen source
Forter85FintechNew York, United States$550.0MOpen source
New Relic85Enterprise SoftwareSan Francisco, United States$7.2BOpen source
1Password85CybersecurityToronto, Canada$1.2BOpen source
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
- GRGrafana Labs80ObservabilityNew York, United States
Open source · Self-hostable
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
Cursor (Anysphere)77Artificial IntelligenceSan Francisco, United States$4.8BOpen source
Auth075Identity & Access Management (IAM)Bellevue, United States$282.4MOpen source
Tailscale74CybersecuritySan Francisco, United States$505.0MOpen source
Google73InternetMountain View, United States$9.1BOpen source
Docker71SoftwareSan Francisco, USA$105.0MOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0MOpen source
Qdrant70Vector DatabaseBerlin, Germany$96.5MOpen source · Self-hostable
- MOMongoDB70Big DataNew York, USA$1.5B
Open source
Expo70SoftwareSan Francisco, USA$45.0MOpen source
Crunchbase70DataSan Francisco, United StatesOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
LogicGate Risk Cloud68GRCChicago, United States$269.0MOpen source
Nx64Software DevelopmentSan Francisco, USA$63.0MOpen source
Oumi PBC64Artificial IntelligenceSan Francisco, USA$63.0MOpen source
- EVEvervault63Data PrivacyDublin, Ireland$43.2M
Open source
CertiK63Web3New York, United States$241.5MOpen source
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
Orkes62Artificial IntelligenceSanta Clara, USA$89.3MOpen source
Comet ML62MLOpsNew York, United States$69.8MOpen source
Chainguard62CybersecuritySeattle, United States$385.0MOpen source · Self-hostable
Intelligent Legal Solutions62LegalTechChicago, USA$55.9MOpen source
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
Stytch61AuthenticationSan Francisco, USA$127.0MOpen source
Gitar61Artificial IntelligenceSan Francisco, USA$9.0MOpen source
- RERelationalAI61Artificial IntelligenceBerkeley, United States$144.5M
Open source
Chroma61Artificial IntelligenceSan Francisco, United States$20.3MOpen source · Self-hostable
JetBrains60Software DevelopmentPrague, Czech RepublicOpen source
VulnCheck60CybersecurityLexington, United States$41.8MOpen source
Fair Isaac Corporation (FICO)60Financial ServicesBozeman, United StatesOpen source
Giskard60Artificial IntelligenceParis, France$2.5MOpen source
Mend60Open SourceTel Aviv, Israel$121.5MOpen source · Self-hostable
Specter Ops59CybersecurityAlexandria, United States$100.0MOpen source
Deepchecks58MLOpsTel Aviv, Israel$18.3MOpen source · Self-hostable
- GRGretel AI58Artificial IntelligenceSan Diego, United States$65.5M
Open source
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
- SESeldon58Artificial IntelligenceLondon, United Kingdom$63.0M
Open source
xpander.ai57Artificial IntelligenceTel Aviv, Israel$3.0MOpen source
Linear57SoftwareSan Francisco, United States$134.0MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Axiom Quant | Artificial Intelligence | Open source | San Francisco, United States | $264.0M | 58 |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 |
| XBOW | Cybersecurity | Open source | Seattle, United States | $215.0M | 69 |
| Sysdig | Cybersecurity | Open source | San Francisco, USA | $608.0M | 69 |
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 |
| NinjaOne | Software | Open source | Austin, United States | $1.2B | 62 |
| Boost Security | Cybersecurity | Open source | San Francisco, USA | $12.0M | 57 |
| ESEscape | Cybersecurity | Open source | Paris, France | $21.9M | 55 |
| Tensorlake | Artificial Intelligence | Open source | San Francisco, United States | $8.0M | 54 |
| Theori | Cybersecurity | Open source | Austin, United States | $15.4M | 54 |
| Respan | Artificial Intelligence | Open source | San Francisco, United States | $5.0M | 49 |
| Arcade | Artificial Intelligence | Open source | San Francisco, USA | $60.0M | 46 |
| LettaAI | Artificial Intelligence | Open source | San Francisco, United States | $1.5M | 38 |
| Gravitee | Cybersecurity | Open source | London, United Kingdom | — | 4 |
| WWT | Cybersecurity | Open source | St. Louis, USA | $63.0M | 85 |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 |
| New Relic | Enterprise Software | Open source | San Francisco, United States | $7.2B | 85 |
| 1Password | Cybersecurity | Open source | Toronto, Canada | $1.2B | 85 |
| Snyk | AI Coding Assistant | Open source · Self-hostable | Boston, United States | $488.5M | 85 |
| GRGrafana Labs | Observability | Open source · Self-hostable | New York, United States | — | 80 |
| Cursor | Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 |
| Cursor (Anysphere) | Artificial Intelligence | Open source | San Francisco, United States | $4.8B | 77 |
| Auth0 | Identity & Access Management (IAM) | Open source | Bellevue, United States | $282.4M | 75 |
| Tailscale | Cybersecurity | Open source | San Francisco, United States | $505.0M | 74 |
| Google | Internet | Open source | Mountain View, United States | $9.1B | 73 |
| Docker | Software | Open source | San Francisco, USA | $105.0M | 71 |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 |
| Osaurus | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 71 |
| Qdrant | Vector Database | Open source · Self-hostable | Berlin, Germany | $96.5M | 70 |
| MOMongoDB | Big Data | Open source | New York, USA | $1.5B | 70 |
| Expo | Software | Open source | San Francisco, USA | $45.0M | 70 |
| Crunchbase | Data | Open source | San Francisco, United States | — | 70 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| LogicGate Risk Cloud | GRC | Open source | Chicago, United States | $269.0M | 68 |
| Nx | Software Development | Open source | San Francisco, USA | $63.0M | 64 |
| Oumi PBC | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 64 |
| EVEvervault | Data Privacy | Open source | Dublin, Ireland | $43.2M | 63 |
| CertiK | Web3 | Open source | New York, United States | $241.5M | 63 |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 |
| Orkes | Artificial Intelligence | Open source | Santa Clara, USA | $89.3M | 62 |
| Comet ML | MLOps | Open source | New York, United States | $69.8M | 62 |
| Chainguard | Cybersecurity | Open source · Self-hostable | Seattle, United States | $385.0M | 62 |
| Intelligent Legal Solutions | LegalTech | Open source | Chicago, USA | $55.9M | 62 |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 |
| Stytch | Authentication | Open source | San Francisco, USA | $127.0M | 61 |
| Gitar | Artificial Intelligence | Open source | San Francisco, USA | $9.0M | 61 |
| RERelationalAI | Artificial Intelligence | Open source | Berkeley, United States | $144.5M | 61 |
| Chroma | Artificial Intelligence | Open source · Self-hostable | San Francisco, United States | $20.3M | 61 |
| JetBrains | Software Development | Open source | Prague, Czech Republic | — | 60 |
| VulnCheck | Cybersecurity | Open source | Lexington, United States | $41.8M | 60 |
| Fair Isaac Corporation (FICO) | Financial Services | Open source | Bozeman, United States | — | 60 |
| Giskard | Artificial Intelligence | Open source | Paris, France | $2.5M | 60 |
| Mend | Open Source | Open source · Self-hostable | Tel Aviv, Israel | $121.5M | 60 |
| Specter Ops | Cybersecurity | Open source | Alexandria, United States | $100.0M | 59 |
| Deepchecks | MLOps | Open source · Self-hostable | Tel Aviv, Israel | $18.3M | 58 |
| GRGretel AI | Artificial Intelligence | Open source | San Diego, United States | $65.5M | 58 |
| Steel.dev | Developer Tools | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 58 |
| SESeldon | Artificial Intelligence | Open source | London, United Kingdom | $63.0M | 58 |
| xpander.ai | Artificial Intelligence | Open source | Tel Aviv, Israel | $3.0M | 57 |
| Linear | Software | Open source | San Francisco, United States | $134.0M | 57 |