Tasks can be classified in contexts etc), time of action (now, next actions, scheduled or someday) and projects. It allows one to focus on one active task instead of on all of them ( Wikipedia).
The GTD (Getting Things Done) method unloads the todo lists off the mind by recording them using external tools. Productivity Challenge Timer ( Android): Pomodoro timer with great gamification features.Tadam ( Mac): Simple and elegant pomodoro timer.Pomotodo ( Cloud, Mac, Win, Android, iOS, Chrome): A mix of todo list and pomodoro timer, with sync across devices and weekly report.There are almost infinite choices for the tools. Pomodoro Technique can be used to boost your productivity and probably improve your health. Mercurial, Git, and Subversion under a single roof. RhodeCode: Centralized control for distributed repositories.Gogs: A painless self-hosted Git service.Gitea: Painless self-hosted Git service written in Go.GitLab: See above at Online Git Service.BitBucket: Alternative to GitHub and GitLab with free private repositories.GitLab comes with a continuous integration tool that is more powerful than GitHub Actions.GitLab includes unlimited free private repositories.GitLab can be both cloud-based and self-hosted using its open-source code. GitLab: similar to GitHub, GitLab provides git hosting, collaborations, social, automations, and more.With GitHub Pages, on could host static files as well as Jekyll built websites. With Actions one could automate processes. GitHub: the most popular platform for git with social and collaborations built-in.Needless to say, version control is one of the most useful tools for scientists. VCS helps us track changes in our documents as well as collaborations on the documents.