Open Source Alternatives to Grammarly Business
6 open source AI Writing Assistant options similar to Grammarly Business, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
Slauth.io43EnterpriseAshburn, United States$1.5MArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
- OPOpenWorker7Agentic AI
OpenWorker is an open-source desktop AI agent that runs locally, integrates with everyday tools, and delivers finished outcomes by breaking down tasks.
Open source
Probabl54MLOpsParis, France$18.5MTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
All-Hands AI49Agentic AIBoston, United States$5.0MAn open-source platform for building and running AI coding agents that automate software development tasks.
Open source · Self-hostable
Kilo Code24Agentic AISan Francisco, United StatesOpen-source, agentic AI coding tool for VS Code, combining Cline and Roo Code features.
Open source · Self-hostable
Gitpod63Developer ToolsTübingen, Germany$28.0MCloud Development Environments for efficient and secure team software development.
Open source · Self-hostable