PySolFC collects solitaire games in an open-source, portable package, according to its project description.
Open source
6 alternativesPychess Variants
PyChess Variants provides a server for chess variants, according to its repository description.
About Pychess Variants
Pychess Variants is an open-source server for playing chess variants, with a public instance at www.pychess.org. It uses Fairy-Stockfish, fairy-stockfish.wasm, and a fairyfishnet fork for move generation, validation, analysis and engine play, and uses chessgroundx for the client-side board.
Self-hosting requires MongoDB, with setup using Python and Node build steps or with Docker Compose on localhost:8080. It does not work on older browsers including Internet Explorer, and Fairy-Stockfish analysis may not work in all browsers.
Key features
- Hosts a server for playing chess variants
- Move generation and validation with Fairy-Stockfish
- Analysis and engine play via Fairy-Stockfish tools
- Client board interface based on chessgroundx
- Local self-hosting with Docker Compose setup
- Separate server and browser engine support
Best for: People interested in playing chess variants or self-hosting a variants server.
Good for
- Open-source code under AGPL-3.0 license
- Local self-hosting option with Docker Compose
- Uses Fairy-Stockfish components for move validation and analysis
Watch out for
- Self-hosting requires MongoDB running
- Does not work on older browsers including Internet Explorer
- Fairy-Stockfish analysis might not work on all browsers
Pychess Variants at a glance
- Category
- Gaming › Tabletop & Board Games
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Pychess Variants alternatives
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Pychess Variants FAQ
Which chess variants are supported?
The currently supported games are listed at https://www.pychess.org/variants.
What is needed to run the server locally?
MongoDB must be up and running, with Python and Node dependencies installed, or use Docker Compose to avoid installing them separately.
How do I start a local copy with Docker?
Run docker compose up --build, then connect to localhost:8080 in a browser.
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