Open source alternatives to Clocktower Time Tracker
50 open source Productivity apps to use instead, best rated first.
Top picks
- L

Logseq
LaunchLocal-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a connected second brain.
Open source
- F

Flowise
LaunchOpen source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.
Open source
- F

Formbricks
LaunchCollect feedback across websites, apps, and emails with targeted surveys, user segmentation, and GDPR-compliant data handling. Self-host or use the cloud.
Open source
- J

Jitsi
LaunchLearn more about Jitsi, a free open-source video conferencing software for web & mobile. Make a call, launch on your own servers, integrate into your app, and more.
Open source
- M
Metabase
LaunchOpen-source business intelligence platform for data exploration, visualization, and sharing. Empowers teams to make data-driven decisions effortlessly.
Open source
- P

Plane
LaunchPlane is an open-source project tracking tool offering issues, cycles (sprints), modules, and customizable views including Kanban boards, lists, and calendars. It features built-in documentation pages, time tracking, and integrations with G
Open sourceSelf-hosted
More Productivity apps
About Clocktower Time Tracker
Clocktower Time Tracker
Log your day in a swipe and watch your billable total add up
Log your day in a swipe and watch your billable total add up. Clocktower is a visual time tracker for people who bill for their hours: drop your hours as a stack of colored blocks, assign each to a project, and see the total in real time. LOG WITH JUST A SWIPE Swipe up to drop a time block, then tap a project to assign it. No forms, no fiddly start and stop. Add a note if you want one.
- Made by
- Lauri Kieksi
- Category
- Productivity
- Website
- clocktowerapp.com





