Open source focus
Open Source Alternatives to Summarize
60 open source AI Tools & Apps options similar to Summarize, 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.
Scribbr35EdTechAmsterdam, NetherlandsOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
LlamaAi (DefiLlama)10FintechOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Taskade49SpaceTechNew York, United States$1.0MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
Adot43E-commerceSan Francisco, United StatesOpen source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
GrackerAI33Agentic SEOTel Aviv, IsraelOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
Peerreviewai18AI InfrastructureOpen source
GPT Researcher13Agentic AIOpen source
Amadeusbio6BiotechOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
42research4AI Search EngineTel Aviv, IsraelOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
StewardshipintelligenceAI Tools & AppsOpen source
FlyingelephantsGenerative AITel Aviv, IsraelOpen source
InstructionlabAI Tools & AppsSan Francisco, United StatesOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
PaperswanAI Search EngineSan Francisco, United StatesOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
DowjoFoundation ModelOpen source
MotorwerkGenerative AITel Aviv, IsraelOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
AntropusAgentic SEOMadrid, SpainOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
Loop IqAI Tools & AppsOpen source
DataforeveryoneAI Search EngineSan Francisco, United StatesOpen source
FastclaudeAI Search EngineOpen source
PostintelligencecontractsLegalTechOpen source
CardinaleaAI Tools & AppsOpen source
JustemailAI Search EngineTel Aviv, IsraelOpen source
RedbuyE-commerceOpen source
- ThebabrainAI Search Engine
Open source
- Converter4Document Automation
Open source
GoumiFoundation ModelBeaverton, United StatesOpen source
BiblelensAI Search EngineOpen source
DroppixGenerative AITel Aviv, IsraelOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BOpen source
Algolia75Search TechnologySan Francisco, United States$334.2MOpen source
DeepSeek AI70AI InfrastructureBeijing, China$15.8BOpen source
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Stability AI68Generative AILondon, United Kingdom$101.0MOpen source · Self-hostable
Lacentral68Frontier AI LabSan Francisco, United States$11.3BOpen source
Dust65Agentic AIParis, France$15.0MOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
TwelveLabs64Video IntelligenceSan Francisco, United States$68.0MOpen source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
Pola.rs63AI Search EngineTel Aviv, Israel$26.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Scribbr | EdTech | Open source | Amsterdam, Netherlands | — | 35 | |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 | |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 49 | |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 | |
| Adot | E-commerce | Open source | San Francisco, United States | — | 43 | |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 | |
| GrackerAI | Agentic SEO | Open source | Tel Aviv, Israel | — | 33 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 | |
| Peerreviewai | AI Infrastructure | Open source | — | — | 18 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| Amadeusbio | Biotech | Open source | — | — | 6 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| 42research | AI Search Engine | Open source | Tel Aviv, Israel | — | 4 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Stewardshipintelligence | AI Tools & Apps | Open source | — | — | — | |
| Flyingelephants | Generative AI | Open source | Tel Aviv, Israel | — | — | |
| Instructionlab | AI Tools & Apps | Open source | San Francisco, United States | — | — | |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Paperswan | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Dowjo | Foundation Model | Open source | — | — | — | |
| Motorwerk | Generative AI | Open source | Tel Aviv, Israel | — | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Antropus | Agentic SEO | Open source | Madrid, Spain | — | — | |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — | |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — | |
| Loop Iq | AI Tools & Apps | Open source | — | — | — | |
| Dataforeveryone | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| Postintelligencecontracts | LegalTech | Open source | — | — | — | |
| Cardinalea | AI Tools & Apps | Open source | — | — | — | |
| Justemail | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Redbuy | E-commerce | Open source | — | — | — | |
| AI Search Engine | Open source | — | — | — | ||
| Document Automation | Open source | — | — | — | ||
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Droppix | Generative AI | Open source | Tel Aviv, Israel | — | — | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 | |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 | |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 | |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 76 | |
| Algolia | Search Technology | Open source | San Francisco, United States | $334.2M | 75 | |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | $15.8B | 70 | |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| Stability AI | Generative AI | Open source · Self-hostable | London, United Kingdom | $101.0M | 68 | |
| Lacentral | Frontier AI Lab | Open source | San Francisco, United States | $11.3B | 68 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 | |
| TwelveLabs | Video Intelligence | Open source | San Francisco, United States | $68.0M | 64 | |
| H2O.ai | Foundation Model | Open source · Self-hostable | Mountain View, United States | $228.1M | 64 | |
| Pola.rs | AI Search Engine | Open source | Tel Aviv, Israel | $26.0M | 63 | |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 |