The 5 Choices - An all around productivity methodology dealing with prioritization, scheduling, technology and energy management.
Tools and Apps
File Management
Box - Very good cloud storage solution for business customers.
Dropbox - Simple, elegant, and versatile cloud storage solution.
Google Drive - Cloud storage solution deeply integrated in the Google ecosystem.
Mega - A very generous (50G from the get go) and highly secure cloud storage solution.
Nextcloud - The self-hosted productivity platform that keeps you in control.
OneDrive - Best cloud storage solution for Windows users.
pCloud - A cloud storage solution with a strong focus on security.
Note Management
Evernote - Evernote can basically become your second brain and remember everything for you.
Google Keep - A nice and simple note management system tightly integrated with Google products.
Inkdrop - A cross-platform note taking application for Markdown lovers.
Joplin - A note taking and to-do application with synchronization capabilities.
Notion - An all-in-one very customizable workspace for notes, tasks, wikis and lists.
Yana - Powerful note-taking app with nested documents, full-text search, rich-text editor, code snippet editor and more.
OneNote - Very good note management solution, but best for Windows users.
Preserver - Notes organizer desktop application based on Electron.
Simplenote - Light, clean, and free. Simplenote is now available for iOS, Android, Mac, Windows, Linux, and the web.
Standard Notes - A simple and private notes application.
WorkFlowy - Outlining application for nested bulleted lists.
Task Management
Airtable - Mix of spreadsheet and database to help organize work.
Amazing Marvin - Marvin incorporates principles from behavioral psychology to help beat procrastination, feel in control and finish todo list.
Any.do - Simple interface, packed with features, currently the favorite to-do list manager at Lifehacker.
GitHub Projects - A lesser known feature of GitHub, makes it easy to tie your project management process to your code.
Hitask - Easy Project and Task Management for Teams.
KanbanFlow - Kanban method task board with Pomodoro technique.
Microsoft To Do - Microsoft cloud-based task management application based on Wunderlist technology.
OmniFocus - A Getting Things Done based task manager for macOS and iOS.
Paymo - Keep your team aligned and engaged. Manage tasks, create team schedules, track work time, and bill your clients from the same platform.
Pomolectron - A pomodoro app for your menubar/tray.
Remember the Milk - Great at managing tags for to-dos and location based tasks.
Taskade - Simple and collaborative task lists for teams.
Taskwarrior - An open source command line task manager. Flexible, fast, efficient, and unobtrusive.
Timely - Automatic time tracking software. Get a flawless digital record of all project and team time, all without the hassle of manual timers and note taking.
Timing - Automatic time and productivity tracking for Mac. Helps you stay on track with your work and ensures no billable hours get lost if you are billing hourly.
Tinido - A beautiful and simple task management app that can also give you insights by showing your completed tasks in a contribution graph similar to the one you find on your GitHub profile.
Todo.txt - Tired of having complicated apps to organize your tasks? Todo.txt is a technique that uses a single .txt file to help you get the job done.
Todoist - Powerful and cross-platform productivity tool.
Topydo - A powerful todo list application using the todo.txt format, positioned between todo.txt CLI and Taskwarrior.
Loop Habit Tracker - An Android app for creating and maintaining good habits.
Waka Time - Open source plugin for knowing exactly how long you spend coding.
Task Automation
AutoIt - Small tool for Windows to automate the Windows GUI, but it can also be used for other purposes.
Awesome AutoHotKey - AutoHotKey is a free, open-source macro-creation and automation software for Windows that allows users to automate repetitive tasks.
IFTTT - Allows you to create chains of conditional statements (called recipes) between web services in order to make the web work for you and boost your productivity.
n8n - Open-source workflow automation for connecting web services with an option to self-host.
Qbserve - Mac time tracking automation: freelance project tracking, timesheets, invoicing & real-time productivity feedback.
Parabola - Drag and drop tool to build custom reports, workflows, and integrations to automate your manual processes.
Tasker - Android application that can perform context sensitive custom tasks (e.g. automatically turn on wifi when you arrive home).
Zapier - Automation tool that allows you to connect hundreds of web services and create automations between the processes.
Password Manager
Bitwarden - A free, trusted password manager that can store, sync, and generate passwords online or through native apps.
KeePass - A free, open source, light-weight password manager with auto-type, browser and plugin support.
LastPass - A freemium password manager that stores encrypted passwords online.
Knowledge Management
Obie.ai - AI platform that brings all knowledge and documentation into one spot.
Obsidian.md - A knowledge base tool that works on local Markdown files. It allows you to create links between different notes.
Scribe - Automatically create step-by-step guides for any process. Simply hit “record” and Scribe will generate a detailed guide complete with screenshots based on your actions, ready to share with colleagues, customers, and friends.
Logseq - Logseq is a privacy-first, open-source knowledge base that works on top of local plain-text Markdown and Org-mode files. Use it to write, organize and share your thoughts, keep your to-do list, and build your own digital garden.
Miscellaneous
ShareX - Screen capture, file sharing and productivity tool.