Open Source Alternatives to Lonze
60 open source Developer Tools options similar to Lonze, 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.
Sigla21Developer ToolsOpen source
GitHub77Developer ToolsSan Francisco, United States$100.0MOpen source · Self-hostable
Posit68Data Science PlatformBoston, United States$169.9MOpen source · Self-hostable
Gitpod64Developer ToolsTübingen, Germany$28.0MOpen source · Self-hostable
Cluely58Agentic AISan Francisco, United StatesOpen source
Swimm57EnterpriseTel Aviv, Israel$27.6MOpen source
Linear57SoftwareSan Francisco, United States$134.0MOpen source
Raycast55ProductivityLondon, United Kingdom$17.7MOpen source
Graphite55AI Coding AssistantSan Francisco, United StatesOpen source
Lean54MLOpsSan Francisco, United StatesOpen source
Plane53Project ManagementSan Francisco, United States$4.0MOpen source
SageOx47Artificial IntelligenceSeattle, USA$15.0MOpen source
Microsoft43Operating SystemRedmond, United StatesOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
Joulix AI Technologies35AI Tools & AppsSan Francisco, Israel$2.3MOpen source
Readwise Reader25Consumer AppRaleigh, United StatesOpen source
Cap24Developer ToolsSan Francisco, United StatesOpen source · Self-hostable
Omnivore23Consumer AppOpen source · Self-hostable
Zotero22Research ToolsFairfax, United StatesOpen source · Self-hostable
Recallguru21AI Search EngineOpen source
Unpaper21AI Tools & AppsOpen source
superwhisper17Artificial IntelligenceNew York, United StatesOpen source
- I3i313Software Development
Open source · Self-hostable
Langchain-Chatchat11Open SourceOpen source · Self-hostable
Agentradio7AI Coding AssistantOpen source
42research4AI Search EngineTel Aviv, IsraelOpen source
- XWXWiki2SoftwareParis, France
Open source · Self-hostable
Open and AsyncAgentic AISan Francisco, United StatesOpen source
- ClawdexPersonal Knowledge Management
Open source
- Orcaforge3D Printing
Open source · Self-hostable
- PixellizeDeveloper Tools
Open source
PortacleDeveloper ToolsOpen source
JustdocsEnterprise SoftwareOpen source
- HeymarkDocument Conversion
Open source
FractaskOpen SourceOpen source · Self-hostable
New Relic85Enterprise SoftwareSan Francisco, United States$7.2BOpen source
1Password85CybersecurityToronto, Canada$1.2BOpen source
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
Polygon81BlockchainMumbai, India$400.0MOpen source
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
- GRGrafana Labs80ObservabilityNew York, United States
Open source · Self-hostable
Postman78API DevelopmentSan Francisco, United StatesOpen source
TestMu AI (Formerly LambdaTest)77MLOpsSan Francisco, United States$121Open source
Cursor (Anysphere)77Artificial IntelligenceSan Francisco, United States$4.8BOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Auth075Identity & Access Management (IAM)Bellevue, United States$282.4MOpen source
Algolia75Search TechnologySan Francisco, United States$334.2MOpen source
Lovable75No-Code/Low-CodeStockholm, Sweden$880.2MOpen source
Mastra75Agentic AISan Francisco, United States$35.5MOpen source · Self-hostable
Tailscale74CybersecuritySan Francisco, United States$505.0MOpen source
Grafana Cloud74ObservabilityNew York, United States$2.1BOpen source · Self-hostable
Neon72DatabaseSan Francisco, United States$1.2BOpen source
Stripe, Inc.72BillingSouth San Francisco, United States$11.4BOpen source
Docker71SoftwareSan Francisco, USA$105.0MOpen source
Airbyte71Data IntegrationSan Francisco, United States$181.0MOpen source · Self-hostable
Automattic71Web DevelopmentSan Francisco, United States$300.0MOpen source · Self-hostable
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
WorkOS71Developer ToolsSan Francisco, United States$198.0MOpen source
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Developer Tools | Open source | — | — | 21 | |
| Developer Tools | Open source · Self-hostable | San Francisco, United States | $100.0M | 77 | |
| Data Science Platform | Open source · Self-hostable | Boston, United States | $169.9M | 68 | |
| Developer Tools | Open source · Self-hostable | Tübingen, Germany | $28.0M | 64 | |
| Agentic AI | Open source | San Francisco, United States | — | 58 | |
| Enterprise | Open source | Tel Aviv, Israel | $27.6M | 57 | |
| Software | Open source | San Francisco, United States | $134.0M | 57 | |
| Productivity | Open source | London, United Kingdom | $17.7M | 55 | |
| AI Coding Assistant | Open source | San Francisco, United States | — | 55 | |
| MLOps | Open source | San Francisco, United States | — | 54 | |
| Project Management | Open source | San Francisco, United States | $4.0M | 53 | |
| Artificial Intelligence | Open source | Seattle, USA | $15.0M | 47 | |
| Operating System | Open source | Redmond, United States | — | 43 | |
| AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 | |
| Developer Tools | Open source | San Francisco, United States | $129.2M | 37 | |
| AI Tools & Apps | Open source | San Francisco, Israel | $2.3M | 35 | |
| Consumer App | Open source | Raleigh, United States | — | 25 | |
| Developer Tools | Open source · Self-hostable | San Francisco, United States | — | 24 | |
| Consumer App | Open source · Self-hostable | — | — | 23 | |
| Research Tools | Open source · Self-hostable | Fairfax, United States | — | 22 | |
| AI Search Engine | Open source | — | — | 21 | |
| AI Tools & Apps | Open source | — | — | 21 | |
| Artificial Intelligence | Open source | New York, United States | — | 17 | |
| I3i3 | Software Development | Open source · Self-hostable | — | — | 13 |
| Open Source | Open source · Self-hostable | — | — | 11 | |
| AI Coding Assistant | Open source | — | — | 7 | |
| AI Search Engine | Open source | Tel Aviv, Israel | — | 4 | |
| XWXWiki | Software | Open source · Self-hostable | Paris, France | — | 2 |
| Agentic AI | Open source | San Francisco, United States | — | — | |
| Personal Knowledge Management | Open source | — | — | — | |
| 3D Printing | Open source · Self-hostable | — | — | — | |
| Developer Tools | Open source | — | — | — | |
| Developer Tools | Open source | — | — | — | |
| Enterprise Software | Open source | — | — | — | |
| Document Conversion | Open source | — | — | — | |
| Open Source | Open source · Self-hostable | — | — | — | |
| Enterprise Software | Open source | San Francisco, United States | $7.2B | 85 | |
| Cybersecurity | Open source | Toronto, Canada | $1.2B | 85 | |
| AI Coding Assistant | Open source · Self-hostable | Boston, United States | $488.5M | 85 | |
| Blockchain | Open source | Mumbai, India | $400.0M | 81 | |
| Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 | |
| GRGrafana Labs | Observability | Open source · Self-hostable | New York, United States | — | 80 |
| API Development | Open source | San Francisco, United States | — | 78 | |
| MLOps | Open source | San Francisco, United States | $121 | 77 | |
| Artificial Intelligence | Open source | San Francisco, United States | $4.8B | 77 | |
| AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 | |
| Identity & Access Management (IAM) | Open source | Bellevue, United States | $282.4M | 75 | |
| Search Technology | Open source | San Francisco, United States | $334.2M | 75 | |
| No-Code/Low-Code | Open source | Stockholm, Sweden | $880.2M | 75 | |
| Agentic AI | Open source · Self-hostable | San Francisco, United States | $35.5M | 75 | |
| Cybersecurity | Open source | San Francisco, United States | $505.0M | 74 | |
| Observability | Open source · Self-hostable | New York, United States | $2.1B | 74 | |
| Database | Open source | San Francisco, United States | $1.2B | 72 | |
| Billing | Open source | South San Francisco, United States | $11.4B | 72 | |
| Software | Open source | San Francisco, USA | $105.0M | 71 | |
| Data Integration | Open source · Self-hostable | San Francisco, United States | $181.0M | 71 | |
| Web Development | Open source · Self-hostable | San Francisco, United States | $300.0M | 71 | |
| Workflow Automation | Open source | Seattle, United States | $134.0M | 71 | |
| Developer Tools | Open source | San Francisco, United States | $198.0M | 71 | |
| Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 71 |