Open source focus
Open Source Alternatives to Estatly
60 open source LegalTech options similar to Estatly, 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.
- VEVelum Labs50Machine LearningSan Francisco, United States$500K
Open source · Self-hostable
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
- LILitera10LegalTechNew York, United States
Open source
StealthflowWeb3Open source
JustdocsEnterprise SoftwareOpen source
EimzaDigital SignatureOpen source
Tosly.onlineAgentic AIOpen source
VeritasforgeBlockchainLondon, EnglandOpen source
Vanta75CybersecuritySan Francisco, United States$154.0MOpen source
StarkWare73BlockchainTel Aviv, Israel$180.0MOpen source
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0MOpen source
WorkOS71Developer ToolsSan Francisco, United States$198.0MOpen source
PandaDoc70Document Management & eSignaturePhiladelphia, United StatesOpen source
Logz.io69EnterpriseTel Aviv, Israel$132.0MOpen source · Self-hostable
- IRIronclad67Legal & ComplianceSan Francisco, United States
Open source
RAD Security64CybersecurityTel Aviv, Israel$29.0MOpen source
M-Files Content Collaboration63Enterprise SoftwarePlano, United States$201.0MOpen source
Brave63Web BrowserSan Francisco, United States$92.1MOpen source
ZenGo63CryptoTel Aviv, Israel$47.0MOpen source
D-Fend Solutions62DronesTel Aviv, Israel$59.0MOpen source
Artemis Global Technologies62CybersecuritySan Francisco, United States$85.0MOpen source
Intelligent Legal Solutions62LegalTechChicago, USA$55.9MOpen source
- ARARCH60Document / Data ManagementNew York, United States$20.0M
Open source
Juro60LegalTechLondon, United KingdomOpen source
Axiom58LegalTechNew York, United States$764.0MOpen source
Codacy57DevOps Intelligence PlatformLisbon, Portugal$23.1MOpen source
JupiterOne57CybersecurityCary, USA$3.0MOpen source
LawGeex56LegalTel Aviv, Israel$41.8MOpen source
CloudQuery56EnterpriseSan Francisco, United States$18.5MOpen source · Self-hostable
Archestra.AI55Artificial IntelligenceLondon, United Kingdom$10.0MOpen source · Self-hostable
Laurel54EdTechSan Francisco, United States$100.0MOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Socket53CybersecuritySan Francisco, United States$100.0MOpen source
- MOMozilla Firefox53InternetSan Francisco, United States$2.3M
Open source · Self-hostable
Kagi53InternetPalo Alto, United States$2.5MOpen source
Lunar.dev53EnterpriseTel Aviv, Israel$6.0MOpen source
- Puck52Endpoint SecurityUnited States
Open source · Self-hostable
- MAMask Network50BlockchainChampaign, United States$100.6M
Open source
Torch Security49CybersecurityLeawood, United StatesOpen source
Sentry48AI Tools & Apps$1.0MOpen source
OpenLaw48LegalTechNew York, United States$6.8MOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Clause48LegalTechNew York, United StatesOpen source
Clerky46LegalTechSan Francisco, United States$1.5MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
VAIOT45LegalTechMosta, Malta$10.0MOpen source
Penumbra45CryptocurrencySan Francisco, United States$4.8MOpen source
BlockSec45Web3Singapore, Singapore$1.0MOpen source
- LALaserfiche43Enterprise Content ManagementLong Beach, United States
Open source
Duely41LegalTechGhent, Belgium$1.1MOpen source
Mycroft AI38Voice AssistantKansas City, United States$4.0MOpen source · Self-hostable
Automata Network38BlockchainSingapore, Singapore$1.0MOpen source
Poseidon36Decentralized IdentityTel Aviv, Israel$18.0MOpen source
SodaLabs33BlockchainTel Aviv, IsraelOpen source
Letscomply32Compliance AutomationTel Aviv, Israel$1.5MOpen source
Open Bitcoin Tracker32FintechOpen source · Self-hostable
Sogo Services29AI EnablersTel Aviv, IsraelOpen source
Apigee25API PlatformSan Jose, United States$196.5MOpen source
Miltech Hellas25Defense TechAthens, GreeceOpen source
Recallguru21AI Search EngineOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| VEVelum Labs | Machine Learning | Open source · Self-hostable | San Francisco, United States | $500K | 50 | |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| LILitera | LegalTech | Open source | New York, United States | — | 10 | |
| Stealthflow | Web3 | Open source | — | — | — | |
| Justdocs | Enterprise Software | Open source | — | — | — | |
| Eimza | Digital Signature | Open source | — | — | — | |
| Tosly.online | Agentic AI | Open source | — | — | — | |
| Veritasforge | Blockchain | Open source | London, England | — | — | |
| Vanta | Cybersecurity | Open source | San Francisco, United States | $154.0M | 75 | |
| StarkWare | Blockchain | Open source | Tel Aviv, Israel | $180.0M | 73 | |
| Osaurus | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 71 | |
| WorkOS | Developer Tools | Open source | San Francisco, United States | $198.0M | 71 | |
| PandaDoc | Document Management & eSignature | Open source | Philadelphia, United States | — | 70 | |
| Logz.io | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $132.0M | 69 | |
| IRIronclad | Legal & Compliance | Open source | San Francisco, United States | — | 67 | |
| RAD Security | Cybersecurity | Open source | Tel Aviv, Israel | $29.0M | 64 | |
| M-Files Content Collaboration | Enterprise Software | Open source | Plano, United States | $201.0M | 63 | |
| Brave | Web Browser | Open source | San Francisco, United States | $92.1M | 63 | |
| ZenGo | Crypto | Open source | Tel Aviv, Israel | $47.0M | 63 | |
| D-Fend Solutions | Drones | Open source | Tel Aviv, Israel | $59.0M | 62 | |
| Artemis Global Technologies | Cybersecurity | Open source | San Francisco, United States | $85.0M | 62 | |
| Intelligent Legal Solutions | LegalTech | Open source | Chicago, USA | $55.9M | 62 | |
| ARARCH | Document / Data Management | Open source | New York, United States | $20.0M | 60 | |
| Juro | LegalTech | Open source | London, United Kingdom | — | 60 | |
| Axiom | LegalTech | Open source | New York, United States | $764.0M | 58 | |
| Codacy | DevOps Intelligence Platform | Open source | Lisbon, Portugal | $23.1M | 57 | |
| JupiterOne | Cybersecurity | Open source | Cary, USA | $3.0M | 57 | |
| LawGeex | Legal | Open source | Tel Aviv, Israel | $41.8M | 56 | |
| CloudQuery | Enterprise | Open source · Self-hostable | San Francisco, United States | $18.5M | 56 | |
| Archestra.AI | Artificial Intelligence | Open source · Self-hostable | London, United Kingdom | $10.0M | 55 | |
| Laurel | EdTech | Open source | San Francisco, United States | $100.0M | 54 | |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 | |
| Socket | Cybersecurity | Open source | San Francisco, United States | $100.0M | 53 | |
| MOMozilla Firefox | Internet | Open source · Self-hostable | San Francisco, United States | $2.3M | 53 | |
| Kagi | Internet | Open source | Palo Alto, United States | $2.5M | 53 | |
| Lunar.dev | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 | |
| Endpoint Security | Open source · Self-hostable | United States | — | 52 | ||
| MAMask Network | Blockchain | Open source | Champaign, United States | $100.6M | 50 | |
| Torch Security | Cybersecurity | Open source | Leawood, United States | — | 49 | |
| Sentry | AI Tools & Apps | Open source | — | $1.0M | 48 | |
| OpenLaw | LegalTech | Open source | New York, United States | $6.8M | 48 | |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 | |
| Clause | LegalTech | Open source | New York, United States | — | 48 | |
| Clerky | LegalTech | Open source | San Francisco, United States | $1.5M | 46 | |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 | |
| VAIOT | LegalTech | Open source | Mosta, Malta | $10.0M | 45 | |
| Penumbra | Cryptocurrency | Open source | San Francisco, United States | $4.8M | 45 | |
| BlockSec | Web3 | Open source | Singapore, Singapore | $1.0M | 45 | |
| LALaserfiche | Enterprise Content Management | Open source | Long Beach, United States | — | 43 | |
| Duely | LegalTech | Open source | Ghent, Belgium | $1.1M | 41 | |
| Mycroft AI | Voice Assistant | Open source · Self-hostable | Kansas City, United States | $4.0M | 38 | |
| Automata Network | Blockchain | Open source | Singapore, Singapore | $1.0M | 38 | |
| Poseidon | Decentralized Identity | Open source | Tel Aviv, Israel | $18.0M | 36 | |
| SodaLabs | Blockchain | Open source | Tel Aviv, Israel | — | 33 | |
| Letscomply | Compliance Automation | Open source | Tel Aviv, Israel | $1.5M | 32 | |
| Open Bitcoin Tracker | Fintech | Open source · Self-hostable | — | — | 32 | |
| Sogo Services | AI Enablers | Open source | Tel Aviv, Israel | — | 29 | |
| Apigee | API Platform | Open source | San Jose, United States | $196.5M | 25 | |
| Miltech Hellas | Defense Tech | Open source | Athens, Greece | — | 25 | |
| Recallguru | AI Search Engine | Open source | — | — | 21 |