{"repo":"tact-lang/tact","free":true,"listed":false,"github":"https://github.com/tact-lang/tact","clone":"git clone https://github.com/tact-lang/tact.git","description":"⚡ Tact compiler for TON blockchain—build secure, efficient smart contracts with powerful tooling and seamless integration","language":"TypeScript","stars":699,"topics":["compiler","smart-contracts","tact","ton","blockchain"],"license":"MIT","category":"blockchain-web3","readme_excerpt":"[!CAUTION] Tact is deprecated. Please learn the Tolk language instead. Pull requests are not accepted at the moment; please bring any problems or tasks to issues. Tact Language Compiler A next-gen smart contract programming language for TON Blockchain focused on efficiency and ease of development. Tact is a good fit for complex smart contracts, quick onboarding, and rapid prototyping. Developed by TON Studio, powered by the community — as of the beginning of 2025, the number of unique code [^1] contracts deployed on the mainnet reached almost 28 thousand, of which about 33% were written in Tact. You can view some selected projects here: Tact in production. Tact has undergone a comprehensive security audit by Trail of Bits, a leading Web3 security firm. [Try it online] • [Features] • [Security] • [Key resources] • [Installation] • [Community] • [Contributing] [Try it online]: https://ide.ton.org [Features]: #features [Security]: #security [Key resources]: #key-resources [Installation]: #installation [Community]: #community [Contributing]: #contributing Features The most prominent and distinctive features of Tact are: - Familiar and user-friendly TypeScript-like syntax. - Strong static type system with built-in [Structs], [Messages], and [maps], among others. - First-class [maps] support, with many methods and a convenient [ foreach statement][foreach] for traversing. - Automatic (de)serialization of incoming messages and data structures. - Automatic routing of [internal, exter","default_branch":null,"files":null,"tree":[],"storefront":"/r/tact-lang","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/tact-lang/tact/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}