HeidiSQL, a popular SQL tool, is now available in a native Linux version after being ported from Delphi to FreePascal/Lazarus. Users are expressing excitement over its intuitive interface, support for various databases like MySQL, PostgreSQL, and SQLite, and its status as free software. Discussions include comparisons with other tools like DbGate and DBeaver, and some users mention challenges with installation dependencies on different Linux distributions. Overall, the community is eager to see the tool perform on Linux, especially given its previous popularity.