Open source focus
Open Source Alternatives to Flow
57 open source Community Building options similar to Flow, 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.
The Hub25Co-livingLondon, United KingdomOpen source
D.A.A. Tech85Environmental ConsultingWindsor, United StatesOpen source
Octopus Energy76EnergyLondon, United Kingdom$800.0MOpen source
Allbirds70Apparel & FashionSan Francisco, USA$150.0MOpen source
Anaergia63Energy & Climate TechBurlington, CanadaOpen source
Workiva62Enterprise SoftwareAmes, United StatesOpen source
EOS Data Analytics60AgTechKyiv, UkraineOpen source
Smartex.ai58Textile ManufacturingPorto, Portugal$24.7MOpen source
Compass57Real EstateNew York, United States$1.1BOpen source
Scala Biodesign56Life SciencesTel Aviv, Israel$21.5MOpen source
Algaeing55TextileTel Aviv, Israel$12.0MOpen source
Cardano55BlockchainOpen source · Self-hostable
Nordic Salt Cycle55Climate TechHelsinki, Finland$41.8MOpen source
EnergyX54Energy & Climate TechAustin, United StatesOpen source
Vivint Solar52Solar EnergyLehi, United StatesOpen source
Reali50ProptechSan Mateo, United States$289.0MOpen source
SolCold50CleantechTel Aviv, IsraelOpen source
Kai48Mental HealthNew York, United StatesOpen source
Re Sustainability47SustainabilityNew York, United States$1.5MOpen source
Vivla43Real EstateMadrid, Spain$34.6MOpen source
Voltfang40EV ChargingBerlin, Germany$15.0MOpen source
SmartGreen37IndustrialTel Aviv, Israel$3.0MOpen source
- VNVNYX36FashionTechAmsterdam, Netherlands$1.1M
Open source
Suena Energy35Energy & Climate TechTel Aviv, Israel$10.1MOpen source
Intellivolt35EV ChargingLondon, United KingdomOpen source
WeatherXM33Climate TechAthens, GreeceOpen source
Nurahealth30HealthTechSan Francisco, United States$1.5MOpen source
Kiinns30Food SafetyTel Aviv, IsraelOpen source
Blackstone30Financial ServicesNew York City, United StatesOpen source
Vinst29FoodTel Aviv, IsraelOpen source
Frontdoor Property Portal29ProptechUnited KingdomOpen source
Weyerhaeuser26Timberland REITSeattle, United StatesOpen source
Forbes24Book and Periodical PublishingJersey City, USOpen source
Marine Hound21Climate TechValletta, MaltaOpen source
- EUEurazeo21Venture CapitalParis, France
Open source
Organa20HealthcareNew York, United StatesOpen source
RE2320Real EstateNew York, United StatesOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
RepoRank 13Open SourceOpen source · Self-hostable
- CHChoice Properties REIT10Real EstateToronto, Canada
Open source
The Hub East Africa9Co-working SpaceNairobi, KenyaOpen source
- Argus Bio-Resources6Bio-Resources
Open source
everwave0Climate TechHamburg, GermanyOpen source
Carbon-Ledger stellarClimate TechOpen source
GridvanceEnergy & Climate TechOpen source
- D.A.A. TechEnvironmental ConsultingWindsor, United States
Open source
Bio Green CleaningGreen CleaningSan Diego, United StatesOpen source
European Cricket NetworkSports TechZurich, SwitzerlandOpen source
- MobilesleepHealthTech
Open source
- GreencognitionClimate Tech
Open source
TablescrapsRestaurant TechNew York, United StatesOpen source
AvawellnessHealthTechTel Aviv, IsraelOpen source
Bond AppSocial NetworkingLondon, United KingdomOpen source
Ausgezeichnete ImmobilienmaklerProptechOpen source
- 联合公社Community Building
Open source
PlastocAI InfrastructureOpen source
ParkkisSmart CityHelsinki, FinlandOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| The Hub | Co-living | Open source | London, United Kingdom | — | 25 |
| D.A.A. Tech | Environmental Consulting | Open source | Windsor, United States | — | 85 |
| Octopus Energy | Energy | Open source | London, United Kingdom | $800.0M | 76 |
| Allbirds | Apparel & Fashion | Open source | San Francisco, USA | $150.0M | 70 |
| Anaergia | Energy & Climate Tech | Open source | Burlington, Canada | — | 63 |
| Workiva | Enterprise Software | Open source | Ames, United States | — | 62 |
| EOS Data Analytics | AgTech | Open source | Kyiv, Ukraine | — | 60 |
| Smartex.ai | Textile Manufacturing | Open source | Porto, Portugal | $24.7M | 58 |
| Compass | Real Estate | Open source | New York, United States | $1.1B | 57 |
| Scala Biodesign | Life Sciences | Open source | Tel Aviv, Israel | $21.5M | 56 |
| Algaeing | Textile | Open source | Tel Aviv, Israel | $12.0M | 55 |
| Cardano | Blockchain | Open source · Self-hostable | — | — | 55 |
| Nordic Salt Cycle | Climate Tech | Open source | Helsinki, Finland | $41.8M | 55 |
| EnergyX | Energy & Climate Tech | Open source | Austin, United States | — | 54 |
| Vivint Solar | Solar Energy | Open source | Lehi, United States | — | 52 |
| Reali | Proptech | Open source | San Mateo, United States | $289.0M | 50 |
| SolCold | Cleantech | Open source | Tel Aviv, Israel | — | 50 |
| Kai | Mental Health | Open source | New York, United States | — | 48 |
| Re Sustainability | Sustainability | Open source | New York, United States | $1.5M | 47 |
| Vivla | Real Estate | Open source | Madrid, Spain | $34.6M | 43 |
| Voltfang | EV Charging | Open source | Berlin, Germany | $15.0M | 40 |
| SmartGreen | Industrial | Open source | Tel Aviv, Israel | $3.0M | 37 |
| VNVNYX | FashionTech | Open source | Amsterdam, Netherlands | $1.1M | 36 |
| Suena Energy | Energy & Climate Tech | Open source | Tel Aviv, Israel | $10.1M | 35 |
| Intellivolt | EV Charging | Open source | London, United Kingdom | — | 35 |
| WeatherXM | Climate Tech | Open source | Athens, Greece | — | 33 |
| Nurahealth | HealthTech | Open source | San Francisco, United States | $1.5M | 30 |
| Kiinns | Food Safety | Open source | Tel Aviv, Israel | — | 30 |
| Blackstone | Financial Services | Open source | New York City, United States | — | 30 |
| Vinst | Food | Open source | Tel Aviv, Israel | — | 29 |
| Frontdoor Property Portal | Proptech | Open source | United Kingdom | — | 29 |
| Weyerhaeuser | Timberland REIT | Open source | Seattle, United States | — | 26 |
| Forbes | Book and Periodical Publishing | Open source | Jersey City, US | — | 24 |
| Marine Hound | Climate Tech | Open source | Valletta, Malta | — | 21 |
| EUEurazeo | Venture Capital | Open source | Paris, France | — | 21 |
| Organa | Healthcare | Open source | New York, United States | — | 20 |
| RE23 | Real Estate | Open source | New York, United States | — | 20 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| RepoRank | Open Source | Open source · Self-hostable | — | — | 13 |
| CHChoice Properties REIT | Real Estate | Open source | Toronto, Canada | — | 10 |
| The Hub East Africa | Co-working Space | Open source | Nairobi, Kenya | — | 9 |
| Bio-Resources | Open source | — | — | 6 | |
| everwave | Climate Tech | Open source | Hamburg, Germany | — | 0 |
| Carbon-Ledger stellar | Climate Tech | Open source | — | — | — |
| Gridvance | Energy & Climate Tech | Open source | — | — | — |
| Environmental Consulting | Open source | Windsor, United States | — | — | |
| Bio Green Cleaning | Green Cleaning | Open source | San Diego, United States | — | — |
| European Cricket Network | Sports Tech | Open source | Zurich, Switzerland | — | — |
| HealthTech | Open source | — | — | — | |
| Climate Tech | Open source | — | — | — | |
| Tablescraps | Restaurant Tech | Open source | New York, United States | — | — |
| Avawellness | HealthTech | Open source | Tel Aviv, Israel | — | — |
| Bond App | Social Networking | Open source | London, United Kingdom | — | — |
| Ausgezeichnete Immobilienmakler | Proptech | Open source | — | — | — |
| Community Building | Open source | — | — | — | |
| Plastoc | AI Infrastructure | Open source | — | — | — |
| Parkkis | Smart City | Open source | Helsinki, Finland | — | — |