SillyTavern
4.3
The self-hosted frontend the power users all run
If you want total control and zero subscription, this is where the advanced users live.
FreeMatureVoice calls+5
Home / Tags / Open source
Open source
5 sites in the catalogue match this tag.
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The standard interface for running local models
Not a companion app, but the plumbing most local companion setups are built on.
FreeMatureVoice notes+4
Risu AI
3.9
Browser-based character chat with card importing
A lighter alternative to SillyTavern that runs in a browser tab with no install.
FreeMatureVoice notes+4
Agnai
3.6
Open-source multi-bot chat with persistent memory
Free and genuinely capable, with chat memory and multi-bot scenes.
FreeMatureMemory+4
KoboldAI
3.6
Local story generation with no cloud dependency
The classic offline story engine: clunky, but it never phones home.
FreeMatureMemory+2
Open source — common questions
What does “Open source” mean here?
It is a trait we recorded for a site after opening the product, not a marketing claim copied from its website. 5 entries in the catalogue carry it.
Which Open source site ranks highest?
SillyTavern, with an editorial score of 4.3 out of 5, at Free. Ranking is by our editorial score and is never influenced by payment.
Are there free options that match?
Yes — 5 of the 5 entries tagged Open source have a free tier. Switch the price filter on this page to see only those.