Open Source Alternatives to Definely
8 open source AI Tools & Apps options similar to Definely, 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.
All-Hands AINot ratedAn open-source platform for building and running AI coding agents that automate software development tasks.
Open source · Self-hostable
Kilo CodeNot ratedOpen-source, agentic AI coding tool for VS Code, combining Cline and Roo Code features.
Open source · Self-hostable
z.aiNot ratedDeveloping advanced AI models with a focus on reducing hallucinations, including large language models, vision language models, and text-to-video models.
Open source
DeepSeekNot ratedDeepSeek is a Chinese AI company developing open-weight large language models and an AI assistant, aiming to achieve Artificial General Intelligence.
Open source
DatabricksNot ratedA unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
ProbablNot ratedTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
KestraNot ratedAn open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.
Open source · Self-hostable
PromptQLNot ratedAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable
