Open Source

Conclusion first: there are a lot of third-party Telegram clients, quality varies wildly, and you should avoid the closed-source ones as a rule. Since 2021, Telegram has required first-time registration to receive its verification code on the official mobile client — desktop and third-party clients can’t register directly. That’s already a signal. Third-party Telegram clients by platform: an overview This post is a curated list. The source is a roundup post by Telegram’s @LCGFX; I’ve reorganized it by platform and added open-source status and risk judgments.

Anyone who has used AI knows the feeling: with the same request, a well-written prompt and a badly written one produce wildly different results. The problem is that most people simply aren’t good at writing prompts — not for lack of talent, but for lack of a systematic optimization process. I recently came across an open-source project, Prompt Optimizer — nearly 29k stars on GitHub — built to solve exactly this.