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Idris vs OCaml: catalog facts
Idris	OCaml
Free Free and open source under the BSD 3-Clause licence.	Free Free and open source.
Windows, Command line	Windows, macOS, Linux, Command line
Types are first-class and can describe precise program properties Compiler can check assumptions and proofs before the program runs	Strong type system that catches errors early Native compiler plus interactive toplevel
Small ecosystem compared with mainstream languages Dependent types have a steep learning curve	Smaller library ecosystem than mainstream languages Functional style takes time to learn
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: LGPL-2.1
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.