Apps similar to One Sec include Mindful : Focus & Screen Time, which is free and open source. Other options are LeechBlock, Cold Turkey, Mindful Guard and Reef Wellbeing. There's no shortage of Anti Procrastination Tools like One Sec, with more than 100 alternatives for Android, iPhone, Mac, Windows and iPad.
MindShield is an open-source browser extension that adds a 5-second reflection timer before submitting simple queries to ChatGPT, Claude, and Gemini, helping you build better AI habits while processing 100% locally.
Switzerland
Windows app blocker that forcibly closes processes, blocks websites system-wide, and enforces schedules or daily limits. PIN-protected focus sessions offer Pomodoro cycles and a kiosk-style desktop mode, while local tasks, habits, notes, and reports stay offline.
An agent-based web filter that blocks websites based on URLs and categories. Internet use quotas can be set based on schedules and timers. Includes a port filter and Windows application blocker.
Canada
Use Android's Digital Wellbeing tools to find better balance with your phone. More productivity, more time unplugged, or more controls for the whole family.
United States
App blocker that makes you earn screen time with exercise. Unlock apps by doing camera-verified pushups or squats instead of tapping skip.
United Kingdom
Wisdom Tree is a tui concentration app. Inspired by the wisdom tree in Plants vs. Zombies which gives in-game tips when it grows, Wisdom Tree gives you real life tips when it grows. How can you grow the tree? by concentrating!
Bring your tasks to a focus with Focusbar - simple but powerful tool to help you work on one thing at a time. Stop multitasking and stay focused.
Poland
EU
Domain blocker for Linux Mint . Blocks outgoing traffic towards chosen domain names using etc hosts.
IrelandEU
The Productivity Owl is a Google Chrome extension that eliminates your time wasting habits on the internet.
BlockSite is an extension, which automagically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.
Israel
Stay focused helps you focus by restricting the daily usage of selected apps to the selected time. Spending too much of time Social Networking or Messaging Apps? Focus it and it will help you reduce the usage.
Block Site is a browser addon to help you block desired websites. To operate, simply right-click on any webpage and click on the "Block this website" context-menu item. The website will be added to the block list.
