Open source focus
Open Source Alternatives to Athenstech
60 open source AI Coding Assistant options similar to Athenstech, 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.
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
Sourcegraph (Cody)66AI Coding AssistantSan Francisco, United States$301.0MOpen source
cubic65Supply ChainTel Aviv, IsraelOpen source
Qodo64AI Coding AssistantTel Aviv, Israel$1.5MOpen source
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
Embedder (YC S25)61AI AgentsSan Francisco, United States$625.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
CodeRabbit56AI Coding AssistantTel Aviv, Israel$120.0MOpen source
Graphite55AI Coding AssistantSan Francisco, United StatesOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
Ann Education53Education$1.0MOpen source
nao Labs50Agentic AISan Francisco, United StatesOpen source
All-Hands AI50Agentic AIBoston, United States$5.0MOpen source · Self-hostable
bolt.new49AI Coding AssistantSan Francisco, United StatesOpen source
Imbue47Artificial IntelligenceSan Francisco, United StatesOpen source
Glue46Agentic AISan Francisco, United States$4.2MOpen source · Self-hostable
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
- GRGreptile44AI Coding AssistantSan Francisco, United States$6.5M
Open source
ScaleKit42MLOpsSan Francisco, United States$5.5MOpen source
Blink41Agentic AISan Francisco, United StatesOpen source
Co Build40AI Collaboration Tools$8.5MOpen source
Neptune39MLOpsNew York, United States$11.0MOpen source
Blacksmith Software35AI Coding AssistantSan Francisco, United States$15.0MOpen source
Meshahid34AI Coding AssistantTel Aviv, Israel$1.5MOpen source
TensorZero29AI Coding AssistantSan Francisco, United States$7.3MOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
Fundamental Research Labs22Frontier AI LabSan Francisco, United States$10.0MOpen source
Kilo Code20Agentic AISan Francisco, United StatesOpen source · Self-hostable
Openvisio18Developer ToolsOpen source
CodeLane18AI Coding AssistantTel Aviv, IsraelOpen source
OpenDevin11AI Agent PlatformOpen source · Self-hostable
Google Gemini Code Assist9AI Coding AssistantMountain View, United StatesOpen source
Helixaai8Foundation ModelLondon, United KingdomOpen source
kuafuai8Agentic AIBeijing, ChinaOpen source
Agentradio7AI Coding AssistantOpen source
CodeNut7Web3 DevelopmentOpen source
- GEGeniA6Agentic AI
Open source · Self-hostable
Amadeusbio6BiotechOpen source
Batchfoundry5AI InfrastructureSan Francisco, United StatesOpen source
OstensaFoundation ModelOpen source
QuarterlabsAI Coding AssistantSan Francisco, United StatesOpen source
CommitbenchAI Coding AssistantOpen source
CrisopeyaFoundation ModelOpen source
FastclaudeAI Search EngineOpen source
TieroFoundation ModelOpen source
LeitariFoundation ModelOpen source
ClauderizerAI Coding AssistantOpen source
MondonFoundation ModelOpen source
- KiyeonAI Tool
Open source
AioncodeAI Coding AssistantTel Aviv, IsraelOpen source
VectorieAI InfrastructureOpen source
MimrixAI Coding AssistantTel Aviv, IsraelOpen source
EyrusAI InfrastructureOpen source
AlukiFoundation ModelOpen source
AntesisFoundation ModelOpen source
KnowqlAI Search EngineOpen source
CyqlAgentic AIOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 | |
| Sourcegraph (Cody) | AI Coding Assistant | Open source | San Francisco, United States | $301.0M | 66 | |
| cubic | Supply Chain | Open source | Tel Aviv, Israel | — | 65 | |
| Qodo | AI Coding Assistant | Open source | Tel Aviv, Israel | $1.5M | 64 | |
| Weights & Biases (W&B) | MLOps | Open source | San Francisco, United States | $521.0M | 63 | |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 | |
| Embedder (YC S25) | AI Agents | Open source | San Francisco, United States | $625.0M | 61 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| CodeRabbit | AI Coding Assistant | Open source | Tel Aviv, Israel | $120.0M | 56 | |
| Graphite | AI Coding Assistant | Open source | San Francisco, United States | — | 55 | |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 | |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 | |
| Ann Education | Education | Open source | — | $1.0M | 53 | |
| nao Labs | Agentic AI | Open source | San Francisco, United States | — | 50 | |
| All-Hands AI | Agentic AI | Open source · Self-hostable | Boston, United States | $5.0M | 50 | |
| bolt.new | AI Coding Assistant | Open source | San Francisco, United States | — | 49 | |
| Imbue | Artificial Intelligence | Open source | San Francisco, United States | — | 47 | |
| Glue | Agentic AI | Open source · Self-hostable | San Francisco, United States | $4.2M | 46 | |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 | |
| GRGreptile | AI Coding Assistant | Open source | San Francisco, United States | $6.5M | 44 | |
| ScaleKit | MLOps | Open source | San Francisco, United States | $5.5M | 42 | |
| Blink | Agentic AI | Open source | San Francisco, United States | — | 41 | |
| Co Build | AI Collaboration Tools | Open source | — | $8.5M | 40 | |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 39 | |
| Blacksmith Software | AI Coding Assistant | Open source | San Francisco, United States | $15.0M | 35 | |
| Meshahid | AI Coding Assistant | Open source | Tel Aviv, Israel | $1.5M | 34 | |
| TensorZero | AI Coding Assistant | Open source | San Francisco, United States | $7.3M | 29 | |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 | |
| Fundamental Research Labs | Frontier AI Lab | Open source | San Francisco, United States | $10.0M | 22 | |
| Kilo Code | Agentic AI | Open source · Self-hostable | San Francisco, United States | — | 20 | |
| Openvisio | Developer Tools | Open source | — | — | 18 | |
| CodeLane | AI Coding Assistant | Open source | Tel Aviv, Israel | — | 18 | |
| OpenDevin | AI Agent Platform | Open source · Self-hostable | — | — | 11 | |
| Google Gemini Code Assist | AI Coding Assistant | Open source | Mountain View, United States | — | 9 | |
| Helixaai | Foundation Model | Open source | London, United Kingdom | — | 8 | |
| kuafuai | Agentic AI | Open source | Beijing, China | — | 8 | |
| Agentradio | AI Coding Assistant | Open source | — | — | 7 | |
| CodeNut | Web3 Development | Open source | — | — | 7 | |
| GEGeniA | Agentic AI | Open source · Self-hostable | — | — | 6 | |
| Amadeusbio | Biotech | Open source | — | — | 6 | |
| Batchfoundry | AI Infrastructure | Open source | San Francisco, United States | — | 5 | |
| Ostensa | Foundation Model | Open source | — | — | — | |
| Quarterlabs | AI Coding Assistant | Open source | San Francisco, United States | — | — | |
| Commitbench | AI Coding Assistant | Open source | — | — | — | |
| Crisopeya | Foundation Model | Open source | — | — | — | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| Tiero | Foundation Model | Open source | — | — | — | |
| Leitari | Foundation Model | Open source | — | — | — | |
| Clauderizer | AI Coding Assistant | Open source | — | — | — | |
| Mondon | Foundation Model | Open source | — | — | — | |
| AI Tool | Open source | — | — | — | ||
| Aioncode | AI Coding Assistant | Open source | Tel Aviv, Israel | — | — | |
| Vectorie | AI Infrastructure | Open source | — | — | — | |
| Mimrix | AI Coding Assistant | Open source | Tel Aviv, Israel | — | — | |
| Eyrus | AI Infrastructure | Open source | — | — | — | |
| Aluki | Foundation Model | Open source | — | — | — | |
| Antesis | Foundation Model | Open source | — | — | — | |
| Knowql | AI Search Engine | Open source | — | — | — | |
| Cyql | Agentic AI | Open source | — | — | — |