Open source focus
Open Source Alternatives to Cambridge Dictionary
19 open source Education options similar to Cambridge Dictionary, 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.
Busuu56EdTechLondon, United Kingdom$18.2MOpen source
Hack The Box56CybersecurityAthens, GreeceOpen source
Pollen Robotics52RoboticsParis, France$2.6MOpen source · Self-hostable
TaTiO52EducationTel Aviv, Israel$5.3MOpen source
- ARArduino46Open SourceSomerville, United States$54.0M
Open source · Self-hostable
Lucida AI46Artificial IntelligenceSan Francisco, United States$7.0MOpen source
- FRFrank40FintechNew York, United States$20.5M
Open source
Ann Education40Education$1.0MOpen source
Wibiya38PublishingTel Aviv, Israel$2.0MOpen source
OWASP37CybersecurityRaleigh, USAOpen source · Self-hostable
The Guardian32NewsLondon, United KingdomOpen source
Penguin Random House25PublishingNew York, United StatesOpen source
MeetBee24Managed ServicesSan Gwann, Malta$136KOpen source
Forbes24Book and Periodical PublishingJersey City, USOpen source
Anima-EY17EducationOpen source
Farmers' Almanac10PublishingBrooklyn, United StatesOpen source
Fluentco9Voice AISan Francisco, United StatesOpen source
Thiomi LughaEdTechOpen source
LingseeVoice AITel Aviv, IsraelOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Busuu | EdTech | Open source | London, United Kingdom | $18.2M | 56 |
| Hack The Box | Cybersecurity | Open source | Athens, Greece | — | 56 |
| Pollen Robotics | Robotics | Open source · Self-hostable | Paris, France | $2.6M | 52 |
| TaTiO | Education | Open source | Tel Aviv, Israel | $5.3M | 52 |
| ARArduino | Open Source | Open source · Self-hostable | Somerville, United States | $54.0M | 46 |
| Lucida AI | Artificial Intelligence | Open source | San Francisco, United States | $7.0M | 46 |
| FRFrank | Fintech | Open source | New York, United States | $20.5M | 40 |
| Ann Education | Education | Open source | — | $1.0M | 40 |
| Wibiya | Publishing | Open source | Tel Aviv, Israel | $2.0M | 38 |
| OWASP | Cybersecurity | Open source · Self-hostable | Raleigh, USA | — | 37 |
| The Guardian | News | Open source | London, United Kingdom | — | 32 |
| Penguin Random House | Publishing | Open source | New York, United States | — | 25 |
| MeetBee | Managed Services | Open source | San Gwann, Malta | $136K | 24 |
| Forbes | Book and Periodical Publishing | Open source | Jersey City, US | — | 24 |
| Anima-EY | Education | Open source | — | — | 17 |
| Farmers' Almanac | Publishing | Open source | Brooklyn, United States | — | 10 |
| Fluentco | Voice AI | Open source | San Francisco, United States | — | 9 |
| Thiomi Lugha | EdTech | Open source | — | — | — |
| Lingsee | Voice AI | Open source | Tel Aviv, Israel | — | — |