Open source focus
Open Source Alternatives to Postbook
60 open source Consumer App options similar to Postbook, 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.
Audius34Music TechSan Francisco, United States$5.0MOpen source
Nike Run Club17Consumer AppBeaverton, United StatesOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
3dfy Labs143D ScanningToronto, CanadaOpen source
PFPMe10Consumer AppOpen source
Wowooo Limited4Creator EconomyOpen source
QuotarocketStartupOpen source
MeetpulseConsumer AppOpen source
eToro85FintechLimassol, Cyprus$524.0MOpen source
twittpr.com61Social PlatformSan Francisco, United States$20.3BOpen source
Mastodon61Social MediaJena, Germany$63.0MOpen source · Self-hostable
Civitai60Generative AISan Francisco, United States$5.1MOpen source · Self-hostable
Chai Research58AI CompanionPalo Alto, United States$55.0MOpen source
Shopify55E-commerce PlatformOttawa, Canada$122.3MOpen source
Getgud.io44GamingTel Aviv, Israel$1.5MOpen source
AltStore37Consumer App$6.0MOpen source
Artik35Social MediaOpen source
DeepAI33AI Image GenerationSan Francisco, United StatesOpen source
- SASavvy Apps25GamingNew York, United States
Open source
Lemmy23Social MediaOpen source · Self-hostable
evo.ninja12Agentic AIOpen source
Truebloom8Agentic AISan Francisco, United StatesOpen source
Curiotrader8Agentic AIOpen source
OnpanelConsumer AppOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
RevcrestConsumer AppOpen source
CohospitalityConsumer AppOpen source
F SiteWeb SearchOpen source
HtmlslidesCreator EconomyOpen source
Salon MahjongGamingOpen source
Wix85WebsiteTel Aviv, Israel$1.3BOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Netflix81Media & EntertainmentLos Gatos, USA$4.7BOpen source
Elementor79WebsiteRamat Gan, Israel$65.8MOpen source · Self-hostable
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BOpen source
Strava76Fitness TrackingSan Francisco, United States$237.5MOpen source
Moon Active72GamingTel Aviv, Israel$425.0MOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Automattic71Web DevelopmentSan Francisco, United States$300.0MOpen source · Self-hostable
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0MOpen source
Faye70TravelNew York, United States$49.0MOpen source
Waze68MobilityTel Aviv, Israel$67.0MOpen source
HeyGen68VideoSan Francisco, United StatesOpen source
Remitly66FintechSeattle, United StatesOpen source
Storyblocks63Creator EconomyWashington, United States$50.0MOpen source
ZenGo63CryptoTel Aviv, Israel$47.0MOpen source
Rewind62Personal Agent Data VaultOttawa, CanadaOpen source
Wirex62FintechLondon, United Kingdom$15.0MOpen source
Afterpay61FintechMelbourne, Australia$1.0BOpen source
InsideTracker61HealthTechBoston, United States$45.0MOpen source
Nomic AI59AI Infrastructure StackNew York City, United States$19.0MOpen source · Self-hostable
Addressable57Web3San Francisco, United States$13.5MOpen source
CHAI: AI Platform56AI InfrastructurePalo Alto, United States$3.7MOpen source
MOJO56Website BuilderTel Aviv, Israel$199.0MOpen source
Chai56AI ChatbotSan Francisco, United States$60.0MOpen source
Beatoven.ai56AI Music GenerationGurugram, India$3.4MOpen source
Raycast55ProductivityLondon, United Kingdom$17.7MOpen source
Artificial Societies55Agentic AISan Francisco, United States$4.8MOpen source
Lumen554AI Video GenerationSan Francisco, United StatesOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Audius | Music Tech | Open source | San Francisco, United States | $5.0M | 34 | |
| Nike Run Club | Consumer App | Open source | Beaverton, United States | — | 17 | |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| 3dfy Labs | 3D Scanning | Open source | Toronto, Canada | — | 14 | |
| PFPMe | Consumer App | Open source | — | — | 10 | |
| Wowooo Limited | Creator Economy | Open source | — | — | 4 | |
| Quotarocket | Startup | Open source | — | — | — | |
| Meetpulse | Consumer App | Open source | — | — | — | |
| eToro | Fintech | Open source | Limassol, Cyprus | $524.0M | 85 | |
| twittpr.com | Social Platform | Open source | San Francisco, United States | $20.3B | 61 | |
| Mastodon | Social Media | Open source · Self-hostable | Jena, Germany | $63.0M | 61 | |
| Civitai | Generative AI | Open source · Self-hostable | San Francisco, United States | $5.1M | 60 | |
| Chai Research | AI Companion | Open source | Palo Alto, United States | $55.0M | 58 | |
| Shopify | E-commerce Platform | Open source | Ottawa, Canada | $122.3M | 55 | |
| Getgud.io | Gaming | Open source | Tel Aviv, Israel | $1.5M | 44 | |
| AltStore | Consumer App | Open source | — | $6.0M | 37 | |
| Artik | Social Media | Open source | — | — | 35 | |
| DeepAI | AI Image Generation | Open source | San Francisco, United States | — | 33 | |
| SASavvy Apps | Gaming | Open source | New York, United States | — | 25 | |
| Lemmy | Social Media | Open source · Self-hostable | — | — | 23 | |
| evo.ninja | Agentic AI | Open source | — | — | 12 | |
| Truebloom | Agentic AI | Open source | San Francisco, United States | — | 8 | |
| Curiotrader | Agentic AI | Open source | — | — | 8 | |
| Onpanel | Consumer App | Open source | — | — | — | |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — | |
| Revcrest | Consumer App | Open source | — | — | — | |
| Cohospitality | Consumer App | Open source | — | — | — | |
| F Site | Web Search | Open source | — | — | — | |
| Htmlslides | Creator Economy | Open source | — | — | — | |
| Salon Mahjong | Gaming | Open source | — | — | — | |
| Wix | Website | Open source | Tel Aviv, Israel | $1.3B | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Netflix | Media & Entertainment | Open source | Los Gatos, USA | $4.7B | 81 | |
| Elementor | Website | Open source · Self-hostable | Ramat Gan, Israel | $65.8M | 79 | |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 76 | |
| Strava | Fitness Tracking | Open source | San Francisco, United States | $237.5M | 76 | |
| Moon Active | Gaming | Open source | Tel Aviv, Israel | $425.0M | 72 | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 | |
| Automattic | Web Development | Open source · Self-hostable | San Francisco, United States | $300.0M | 71 | |
| Osaurus | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 71 | |
| Faye | Travel | Open source | New York, United States | $49.0M | 70 | |
| Waze | Mobility | Open source | Tel Aviv, Israel | $67.0M | 68 | |
| HeyGen | Video | Open source | San Francisco, United States | — | 68 | |
| Remitly | Fintech | Open source | Seattle, United States | — | 66 | |
| Storyblocks | Creator Economy | Open source | Washington, United States | $50.0M | 63 | |
| ZenGo | Crypto | Open source | Tel Aviv, Israel | $47.0M | 63 | |
| Rewind | Personal Agent Data Vault | Open source | Ottawa, Canada | — | 62 | |
| Wirex | Fintech | Open source | London, United Kingdom | $15.0M | 62 | |
| Afterpay | Fintech | Open source | Melbourne, Australia | $1.0B | 61 | |
| InsideTracker | HealthTech | Open source | Boston, United States | $45.0M | 61 | |
| Nomic AI | AI Infrastructure Stack | Open source · Self-hostable | New York City, United States | $19.0M | 59 | |
| Addressable | Web3 | Open source | San Francisco, United States | $13.5M | 57 | |
| CHAI: AI Platform | AI Infrastructure | Open source | Palo Alto, United States | $3.7M | 56 | |
| MOJO | Website Builder | Open source | Tel Aviv, Israel | $199.0M | 56 | |
| Chai | AI Chatbot | Open source | San Francisco, United States | $60.0M | 56 | |
| Beatoven.ai | AI Music Generation | Open source | Gurugram, India | $3.4M | 56 | |
| Raycast | Productivity | Open source | London, United Kingdom | $17.7M | 55 | |
| Artificial Societies | Agentic AI | Open source | San Francisco, United States | $4.8M | 55 | |
| Lumen5 | AI Video Generation | Open source | San Francisco, United States | — | 54 |