Iris is a modern, lightweight Python template engine for rendering dynamic HTML with advanced directive support, layout inheritance, and safe variable evaluation. Ideal for fast and flexible application templating.

Node.js and browser 8 lines implementation of a safe eval :)

Elixir code sandbox with AST validation and an allowlist for running untrusted code.

An open-source Python library for code encryption, decryption, and safe evaluation using Python's built-in AST module, complete with allowed functions, variables, built-in imports, timeouts, and blocked access to attributes.

Simple arithmetic and functional expression evaluation.

Virtual module for node.js

boolia is a tiny, safe boolean-expression engine. It parses human-readable rules with dotted identifiers, comparisons, custom functions, and logical operators, then evaluates them against plain dict data.

boolia is a tiny, safe boolean-expression engine for Python. It parses human-readable rules with dotted identifiers, comparisons, custom functions, and logical operators, then evaluates them against plain dict data.