Зачекал, да, круто.
Хотел бы, чтобы что-то такое сделали для *nix.
ShareX is written using C# programming language and .NET Framework. At present, the .NET technologies we utilise are only supported in Windows, and it is not possible for us to make it multi platform. There is a way to make software written using .NET Framework to work in Linux and Mac using Mono but it is not possible for ShareX to run using Mono because of hundreds of native calls, UI, external libraries and countless unsupported methods.