Open source focus
Open Source Alternatives to Nullnote
60 open source Note-Taking App options similar to Nullnote, 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.
EngraneDocument AIMexico City, MexicoOpen source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
Spotlight.ai55EnterpriseTel Aviv, Israel$1.0MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
- Co Build40AI Collaboration Tools$8.5M
Open source
Catercore35AI InfrastructureSan Francisco, United StatesOpen source
Joulix AI Technologies35AI Tools & AppsSan Francisco, Israel$2.3MOpen source
- BEBestpractix19LegalTel Aviv, Israel
Open source
GPT Researcher13Agentic AIOpen source
Ardeiro8Agentic AIOpen source
TheclearpointAgentic AIOpen source
AI Simple SolutionAI ToolHammersmith, United KingdomOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
KedmahConversational AITel Aviv, IsraelOpen source
Versa DigitalCustom Software DevelopmentExeter, EnglandOpen source
GocerebroAgentic AITel Aviv, IsraelOpen source
GeminatorGenerative AIOpen source
ProductexAI SolutionsOpen source
AutoremixVideo Editing SoftwareLondon, United KingdomOpen source
Coworker.aiHR TechOpen source
- ProcureraaProcurement Software
Open source
FlonaseAI SolutionsOpen source
AidlesAgentic AITel Aviv, IsraelOpen source
GoverndGovernance Risk and ComplianceOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
Hightouch70Customer Data PlatformSan Francisco, United States$322.0MOpen source
LogicGate Risk Cloud68GRCChicago, United States$269.0MOpen source
ClickUp67Project ManagementSan Francisco, United States$531.5MOpen source
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
Workiva62Enterprise SoftwareAmes, United StatesOpen source
Spacelift61Infrastructure as CodeWarsaw, Poland$73.6MOpen source
Juro60LegalTechLondon, United KingdomOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
Axiom58LegalTechNew York, United States$764.0MOpen source
timeOS56PersonalSan Francisco, United States$3.3MOpen source
Raycast55ProductivityLondon, United Kingdom$17.7MOpen source
Graphite55AI Coding AssistantSan Francisco, United StatesOpen source
Tot54Creative OperationsNew York, United States$7.6MOpen source
M Magical54Artificial IntelligenceSan Francisco, United StatesOpen source
Merge Labs54Agentic AISan Francisco, United States$24.0MOpen source
giniX54Generative AITel Aviv, IsraelOpen source
Relevance AI53Agentic AITel Aviv, Israel$12.0MOpen source
Orderful48Supply Chain ManagementSan Francisco, USA$35.0MOpen source
Emergence AI48Agentic AISan Francisco, United StatesOpen source
SageOx47Artificial IntelligenceSeattle, USA$15.0MOpen source
Wirespeed47AI InfrastructureSan Francisco, United States$2.5MOpen source
Taskade46SpaceTechNew York, United States$1.0MOpen source
Outlit45Agentic AI$500KOpen source
Nex AI45Agentic AISan Francisco, United StatesOpen source
Stably AI45Agentic AITel Aviv, IsraelOpen source
Microsoft43Operating SystemRedmond, United StatesOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Behrings40Agentic AISan Francisco, United StatesOpen source
- RERefold AI39Customer Service AutomationLondon, United Kingdom$6.5M
Open source
Bindwell38AI InfrastructureSan Francisco, United States$9.5MOpen source
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
Zynk36Agentic AILondon, United Kingdom$110.0MOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Engrane | Document AI | Open source | Mexico City, Mexico | — | — |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 62 |
| Spotlight.ai | Enterprise | Open source | Tel Aviv, Israel | $1.0M | 55 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| AI Collaboration Tools | Open source | — | $8.5M | 40 | |
| Catercore | AI Infrastructure | Open source | San Francisco, United States | — | 35 |
| Joulix AI Technologies | AI Tools & Apps | Open source | San Francisco, Israel | $2.3M | 35 |
| BEBestpractix | Legal | Open source | Tel Aviv, Israel | — | 19 |
| GPT Researcher | Agentic AI | Open source | — | — | 13 |
| Ardeiro | Agentic AI | Open source | — | — | 8 |
| Theclearpoint | Agentic AI | Open source | — | — | — |
| AI Simple Solution | AI Tool | Open source | Hammersmith, United Kingdom | — | — |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — |
| Kedmah | Conversational AI | Open source | Tel Aviv, Israel | — | — |
| Versa Digital | Custom Software Development | Open source | Exeter, England | — | — |
| Gocerebro | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Geminator | Generative AI | Open source | — | — | — |
| Productex | AI Solutions | Open source | — | — | — |
| Autoremix | Video Editing Software | Open source | London, United Kingdom | — | — |
| Coworker.ai | HR Tech | Open source | — | — | — |
| Procurement Software | Open source | — | — | — | |
| Flonase | AI Solutions | Open source | — | — | — |
| Aidles | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Governd | Governance Risk and Compliance | Open source | — | — | — |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 |
| Hightouch | Customer Data Platform | Open source | San Francisco, United States | $322.0M | 70 |
| LogicGate Risk Cloud | GRC | Open source | Chicago, United States | $269.0M | 68 |
| ClickUp | Project Management | Open source | San Francisco, United States | $531.5M | 67 |
| Weights & Biases (W&B) | MLOps | Open source | San Francisco, United States | $521.0M | 63 |
| Workiva | Enterprise Software | Open source | Ames, United States | — | 62 |
| Spacelift | Infrastructure as Code | Open source | Warsaw, Poland | $73.6M | 61 |
| Juro | LegalTech | Open source | London, United Kingdom | — | 60 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 |
| Axiom | LegalTech | Open source | New York, United States | $764.0M | 58 |
| timeOS | Personal | Open source | San Francisco, United States | $3.3M | 56 |
| Raycast | Productivity | Open source | London, United Kingdom | $17.7M | 55 |
| Graphite | AI Coding Assistant | Open source | San Francisco, United States | — | 55 |
| Tot | Creative Operations | Open source | New York, United States | $7.6M | 54 |
| M Magical | Artificial Intelligence | Open source | San Francisco, United States | — | 54 |
| Merge Labs | Agentic AI | Open source | San Francisco, United States | $24.0M | 54 |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 |
| Relevance AI | Agentic AI | Open source | Tel Aviv, Israel | $12.0M | 53 |
| Orderful | Supply Chain Management | Open source | San Francisco, USA | $35.0M | 48 |
| Emergence AI | Agentic AI | Open source | San Francisco, United States | — | 48 |
| SageOx | Artificial Intelligence | Open source | Seattle, USA | $15.0M | 47 |
| Wirespeed | AI Infrastructure | Open source | San Francisco, United States | $2.5M | 47 |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 46 |
| Outlit | Agentic AI | Open source | — | $500K | 45 |
| Nex AI | Agentic AI | Open source | San Francisco, United States | — | 45 |
| Stably AI | Agentic AI | Open source | Tel Aviv, Israel | — | 45 |
| Microsoft | Operating System | Open source | Redmond, United States | — | 43 |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 |
| Behrings | Agentic AI | Open source | San Francisco, United States | — | 40 |
| RERefold AI | Customer Service Automation | Open source | London, United Kingdom | $6.5M | 39 |
| Bindwell | AI Infrastructure | Open source | San Francisco, United States | $9.5M | 38 |
| Supernova | Developer Tools | Open source | San Francisco, United States | $129.2M | 37 |
| Zynk | Agentic AI | Open source | London, United Kingdom | $110.0M | 36 |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 |