Add tldr (#1100)

README.md

@@ -377,6 +377,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Termius](https://www.termius.com/) - Free terminal tool,comparable to xshell on windows platform. ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://apps.apple.com/us/app/termius-terminal-ssh-client/id549039908)
 * [TextQL](https://github.com/dinedal/textql) - Execute SQL against structured text like CSV or TSV. [![Open-Source Software][OSS Icon]](https://github.com/dinedal/textql) ![Freeware][Freeware Icon]
 * [thefuck](https://github.com/nvbn/thefuck) - A interesting software that corrects errors in previous console commands. [![Open-Source Software][OSS Icon]](https://github.com/nvbn/thefuck)
+* [tldr](https://tldr.sh/) - Collaborative cheatsheets for console commands. [![Open-Source Software][OSS Icon]](https://github.com/tldr-pages/tldr) ![Freeware][Freeware Icon]
 * [tmux](https://github.com/tmux/tmux) - "Terminal multiplexer", it enables a number of terminals (or windows) to be accessed and controlled from a single terminal. tmux is intended to be a simple, modern, BSD-licensed alternative to programs such as GNU screen. [![Open-Source Software][OSS Icon]](https://github.com/tmux/tmux)
 * [tmuxinator](https://github.com/tmuxinator/tmuxinator) - Manage complex tmux sessions easily. [![Open-Source Software][OSS Icon]](https://github.com/tmuxinator/tmuxinator)
 * [trash](https://github.com/sindresorhus/trash) - Move files and directories to the trash. ![Open-Source Software][OSS Icon]