Open source focus
Open Source Alternatives to Speclift
60 open source AI Tool options similar to Speclift, 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.
Swimm57EnterpriseTel Aviv, Israel$27.6MOpen source
DocsGPT8Open SourceOpen source · Self-hostable
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
Coworker.aiHR TechOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Graphite55AI Coding AssistantSan Francisco, United StatesOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
CustomGPT46AI ChatbotTel Aviv, Israel$1.0MOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
ScaleKit42MLOpsSan Francisco, United States$5.5MOpen source
Orq.ai41Agentic AIAmsterdam, Netherlands$8.9MOpen source
Co Build40AI Collaboration Tools$8.5MOpen source
Neptune39MLOpsNew York, United States$11.0MOpen source
QUBRID30Cloud InfrastructureOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
AIMLAPI26API PlatformTallinn, EstoniaOpen source
- COCometAPI15API PlatformSha Tin, China
Open source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
- POPostgres MCP10DatabaseSan Francisco, United States
Open source
Helixaai8Foundation ModelLondon, United KingdomOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
42research4AI Search EngineTel Aviv, IsraelOpen source
OnelytixInnovationOpen source
AntesisFoundation ModelOpen source
FastclaudeAI Search EngineOpen source
TanakasunAI OrchestrationOpen source
SafeforkCybersecurityTel Aviv, IsraelOpen source
AlukiFoundation ModelOpen source
AgentiqflowAgentic AIOpen source
EyrusAI InfrastructureOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Dust65Agentic AIParis, France$15.0MOpen source
CopilotKit64Agentic AISan Francisco, United States$42.0MOpen source
Cognigy (NICE)63Voice AgentDüsseldorf, GermanyOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
Sourcegraph61Developer ToolsSan Francisco, United States$218.0MOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Sendbird61Conversational AISan Mateo, United StatesOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Langfuse GmbH58MLOpsBerlin, Germany$2.5MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
- MIMintlify / mcpt57Developer ToolsSan Francisco, United States
Open source
- CLClerk56Developer ToolsSan Francisco, United States$69.0M
Open source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
CHAI: AI Platform56AI InfrastructurePalo Alto, United States$3.7MOpen source
Checksum55Test AutomationSan Francisco, United StatesOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Swimm | Enterprise | Open source | Tel Aviv, Israel | $27.6M | 57 | |
| DocsGPT | Open Source | Open source · Self-hostable | — | — | 8 | |
| Supernova | Developer Tools | Open source | San Francisco, United States | $129.2M | 37 | |
| Coworker.ai | HR Tech | Open source | — | — | — | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| Graphite | AI Coding Assistant | Open source | San Francisco, United States | — | 55 | |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 | |
| CustomGPT | AI Chatbot | Open source | Tel Aviv, Israel | $1.0M | 46 | |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 | |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 | |
| ScaleKit | MLOps | Open source | San Francisco, United States | $5.5M | 42 | |
| Orq.ai | Agentic AI | Open source | Amsterdam, Netherlands | $8.9M | 41 | |
| Co Build | AI Collaboration Tools | Open source | — | $8.5M | 40 | |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 39 | |
| QUBRID | Cloud Infrastructure | Open source | — | — | 30 | |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 | |
| AIMLAPI | API Platform | Open source | Tallinn, Estonia | — | 26 | |
| COCometAPI | API Platform | Open source | Sha Tin, China | — | 15 | |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 | |
| POPostgres MCP | Database | Open source | San Francisco, United States | — | 10 | |
| Helixaai | Foundation Model | Open source | London, United Kingdom | — | 8 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| 42research | AI Search Engine | Open source | Tel Aviv, Israel | — | 4 | |
| Onelytix | Innovation | Open source | — | — | — | |
| Antesis | Foundation Model | Open source | — | — | — | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| Tanakasun | AI Orchestration | Open source | — | — | — | |
| Safefork | Cybersecurity | Open source | Tel Aviv, Israel | — | — | |
| Aluki | Foundation Model | Open source | — | — | — | |
| Agentiqflow | Agentic AI | Open source | — | — | — | |
| Eyrus | AI Infrastructure | Open source | — | — | — | |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| 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 | |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 | |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| CopilotKit | Agentic AI | Open source | San Francisco, United States | $42.0M | 64 | |
| Cognigy (NICE) | Voice Agent | Open source | Düsseldorf, Germany | — | 63 | |
| Sarvam AI | Agentic AI | Open source | Bengaluru, India | $234.0M | 63 | |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 | |
| Weights & Biases (W&B) | MLOps | Open source | San Francisco, United States | $521.0M | 63 | |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 | |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 62 | |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 | |
| Sourcegraph | Developer Tools | Open source | San Francisco, United States | $218.0M | 61 | |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 | |
| Sendbird | Conversational AI | Open source | San Mateo, United States | — | 61 | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| Langfuse GmbH | MLOps | Open source | Berlin, Germany | $2.5M | 58 | |
| Modular | AI Infrastructure | Open source | San Francisco, United States | $380.0M | 58 | |
| MIMintlify / mcpt | Developer Tools | Open source | San Francisco, United States | — | 57 | |
| CLClerk | Developer Tools | Open source | San Francisco, United States | $69.0M | 56 | |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 | |
| CHAI: AI Platform | AI Infrastructure | Open source | Palo Alto, United States | $3.7M | 56 | |
| Checksum | Test Automation | Open source | San Francisco, United States | — | 55 | |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |