This article was originally published on aifoss.dev
The tooling exists. Ollama, Open WebUI, AnythingLLM, Continue.dev, Aider, Flowise — five years ago this stack didn't exist at all. The problem in 2026 isn't finding open-source AI tools; it's figuring out which ones compose into a coherent workflow and which combinations quietly waste your weekend.
The short answer: almost any combination works, because all modern local AI tools speak the OpenAI HTTP API. The longer answer: there are real failure modes — port conflicts, silent context truncation, embedding model mismatches — that the tutorials skip. This is the guide that covers them.
Versions verified: Ollama v0.24.0 (May 14, 2026), Open WebUI v0.9.5 (May 2026), vLLM v0.21.0 (May 2026), Continue.dev v1.3.34 (early 2026), Aider v0.86.0.
The API layer that makes it all compose
