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

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