Open source focus
Open Source Alternatives to Calm
60 open source HealthTech options similar to Calm, 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.
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
Organa9HealthcareNew York, United StatesOpen source
Kai48Mental HealthNew York, United StatesOpen source
CogMe34HealthcareTel Aviv, IsraelOpen source
Nurahealth31HealthTech$1.5MOpen source
MDLive22HealthTechFort Lauderdale, United StatesOpen source
Anxietyreset4Mental Health TechOpen source
EazycareHealthTechOpen source
AvawellnessHealthTechOpen source
FaceyourfearsMental Health TechOpen source
MobilesleepHealthTechOpen source
Strava76Fitness TrackingSan Francisco, United States$237.5MOpen source
- MAMay Health62HealthTechParis, France$36.7M
Open source
Icometrix62HealthTechAntwerp, BelgiumOpen source
Nanit61HealthcareNew York, United States$74.0MOpen source
InsideTracker61HealthTechBoston, United States$45.0MOpen source
Qure.ai58HealthTechMumbai, India$144.2MOpen source
Belkin Vision56HealthcareGeneva, Switzerland$38.5MOpen source
HAGAR55HealthcareTel Aviv, Israel$21.1MOpen source
SpotitEarly55HealthcareTel Aviv, Israel$6.2MOpen source
- ULUltragenyx55BiotechNovato, United States$100.0M
Open source
EyeControl54HealthcareTel Aviv, Israel$20.0MOpen source
regard54HealthcareSan Francisco, United StatesOpen source
Carta Healthcare54HealthTechSan Francisco, United StatesOpen source
Datos54HealthcareTel Aviv, Israel$7.0MOpen source
QART Medical52HealthcareTel Aviv, IsraelOpen source
Arrakis Bio51Life SciencesCambridge, United StatesOpen source
Pylon Medical50HealthcareSan Mateo, United States$1.5MOpen source
Sequentify49HealthcareSan Francisco, United States$7.0MOpen source
Cardio Renal49HealthTechParis, France$13.7MOpen source
SOMAREALITY49Artificial IntelligenceVienna, Austria$3.0MOpen source
DermaDetect46DiagnosticsTel Aviv, Israel$1.5MOpen source
PhenoTA45Life SciencesBoston, United StatesOpen source
ReVision Implant45NeurotechnologyLeuven, Belgium$14.0MOpen source
- ARArgosMD43HealthcareSan Francisco, United States
Open source
Specta.ai42HealthcareTel Aviv, IsraelOpen source
VI Therapeutics42Life SciencesCambridge, United StatesOpen source
- JOJoyvié Health42HealthTechLondon, United Kingdom$1.0M
Open source
Symbiosis C.M.41HealthcareBoston, United States$10.0MOpen source
BoobyBiome41HealthTechLondon, United Kingdom$4.2MOpen source
DentlyTec40HealthcareTel Aviv, IsraelOpen source
CatAI36HealthcareNew York, United StatesOpen source
- Rua Diagnostics .34MedTechCardiff, United Kingdom
Open source
Pharmmies34HealthcareBoston, United StatesOpen source
Feminai33HealthcareTel Aviv, IsraelOpen source
AlephBot32Digital HealthTel Aviv, IsraelOpen source
SensifAI Health29HealthcareTel Aviv, IsraelOpen source
Beyond 925 Health28HealthTechחיפה, IsraelOpen source
Semler Scientific28MedTechSan Carlos, United States$15.0MOpen source
Ondahealth27HealthTechOpen source
Latica Med25InVitro Fertilization (IVF)Tel Aviv, IsraelOpen source
Helena Bioinformatics23GenomicsSofia, BulgariaOpen source
Biolinked23AI-Driven Protein DesignOpen source
- IMImx Medical Management Services21HealthTechMalvern, United States
Open source
MDI.ai20HealthTechOpen source
Fibrotherapeutics20HealthTechOpen source
Medmotion19HealthTechOpen source
Vinst19FoodTel Aviv, IsraelOpen source
- MEMemorial Sloan Kettering Cancer Center18HealthTechNew York, United States
Open source
Anima-EY17EducationOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| Organa | Healthcare | Open source | New York, United States | — | 9 | |
| Kai | Mental Health | Open source | New York, United States | — | 48 | |
| CogMe | Healthcare | Open source | Tel Aviv, Israel | — | 34 | |
| Nurahealth | HealthTech | Open source | — | $1.5M | 31 | |
| MDLive | HealthTech | Open source | Fort Lauderdale, United States | — | 22 | |
| Anxietyreset | Mental Health Tech | Open source | — | — | 4 | |
| Eazycare | HealthTech | Open source | — | — | — | |
| Avawellness | HealthTech | Open source | — | — | — | |
| Faceyourfears | Mental Health Tech | Open source | — | — | — | |
| Mobilesleep | HealthTech | Open source | — | — | — | |
| Strava | Fitness Tracking | Open source | San Francisco, United States | $237.5M | 76 | |
| MAMay Health | HealthTech | Open source | Paris, France | $36.7M | 62 | |
| Icometrix | HealthTech | Open source | Antwerp, Belgium | — | 62 | |
| Nanit | Healthcare | Open source | New York, United States | $74.0M | 61 | |
| InsideTracker | HealthTech | Open source | Boston, United States | $45.0M | 61 | |
| Qure.ai | HealthTech | Open source | Mumbai, India | $144.2M | 58 | |
| Belkin Vision | Healthcare | Open source | Geneva, Switzerland | $38.5M | 56 | |
| HAGAR | Healthcare | Open source | Tel Aviv, Israel | $21.1M | 55 | |
| SpotitEarly | Healthcare | Open source | Tel Aviv, Israel | $6.2M | 55 | |
| ULUltragenyx | Biotech | Open source | Novato, United States | $100.0M | 55 | |
| EyeControl | Healthcare | Open source | Tel Aviv, Israel | $20.0M | 54 | |
| regard | Healthcare | Open source | San Francisco, United States | — | 54 | |
| Carta Healthcare | HealthTech | Open source | San Francisco, United States | — | 54 | |
| Datos | Healthcare | Open source | Tel Aviv, Israel | $7.0M | 54 | |
| QART Medical | Healthcare | Open source | Tel Aviv, Israel | — | 52 | |
| Arrakis Bio | Life Sciences | Open source | Cambridge, United States | — | 51 | |
| Pylon Medical | Healthcare | Open source | San Mateo, United States | $1.5M | 50 | |
| Sequentify | Healthcare | Open source | San Francisco, United States | $7.0M | 49 | |
| Cardio Renal | HealthTech | Open source | Paris, France | $13.7M | 49 | |
| SOMAREALITY | Artificial Intelligence | Open source | Vienna, Austria | $3.0M | 49 | |
| DermaDetect | Diagnostics | Open source | Tel Aviv, Israel | $1.5M | 46 | |
| PhenoTA | Life Sciences | Open source | Boston, United States | — | 45 | |
| ReVision Implant | Neurotechnology | Open source | Leuven, Belgium | $14.0M | 45 | |
| ARArgosMD | Healthcare | Open source | San Francisco, United States | — | 43 | |
| Specta.ai | Healthcare | Open source | Tel Aviv, Israel | — | 42 | |
| VI Therapeutics | Life Sciences | Open source | Cambridge, United States | — | 42 | |
| JOJoyvié Health | HealthTech | Open source | London, United Kingdom | $1.0M | 42 | |
| Symbiosis C.M. | Healthcare | Open source | Boston, United States | $10.0M | 41 | |
| BoobyBiome | HealthTech | Open source | London, United Kingdom | $4.2M | 41 | |
| DentlyTec | Healthcare | Open source | Tel Aviv, Israel | — | 40 | |
| CatAI | Healthcare | Open source | New York, United States | — | 36 | |
| MedTech | Open source | Cardiff, United Kingdom | — | 34 | ||
| Pharmmies | Healthcare | Open source | Boston, United States | — | 34 | |
| Feminai | Healthcare | Open source | Tel Aviv, Israel | — | 33 | |
| AlephBot | Digital Health | Open source | Tel Aviv, Israel | — | 32 | |
| SensifAI Health | Healthcare | Open source | Tel Aviv, Israel | — | 29 | |
| Beyond 925 Health | HealthTech | Open source | חיפה, Israel | — | 28 | |
| Semler Scientific | MedTech | Open source | San Carlos, United States | $15.0M | 28 | |
| Ondahealth | HealthTech | Open source | — | — | 27 | |
| Latica Med | InVitro Fertilization (IVF) | Open source | Tel Aviv, Israel | — | 25 | |
| Helena Bioinformatics | Genomics | Open source | Sofia, Bulgaria | — | 23 | |
| Biolinked | AI-Driven Protein Design | Open source | — | — | 23 | |
| IMImx Medical Management Services | HealthTech | Open source | Malvern, United States | — | 21 | |
| MDI.ai | HealthTech | Open source | — | — | 20 | |
| Fibrotherapeutics | HealthTech | Open source | — | — | 20 | |
| Medmotion | HealthTech | Open source | — | — | 19 | |
| Vinst | Food | Open source | Tel Aviv, Israel | — | 19 | |
| MEMemorial Sloan Kettering Cancer Center | HealthTech | Open source | New York, United States | — | 18 | |
| Anima-EY | Education | Open source | — | — | 17 |