2Do alternatives · To-Do Lists
Open-source alternatives to 2Do
2Do is not described as open source on its own site. 27 of the 123 other to-do list apps in this directory are open source, according to their own sites.
2Do has a free plan. Paid plans start at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately. All of them are free or have a free plan.
27 tools · Listings checked up to Oct 9, 2026 · Where the facts come from
The 12 closest to 2Do
- Free
Planify
Free, open-source task manager for the Linux desktop
- Planify is free. 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only Planify lists a Linux app.
- Only 2Do lists macOS, iOS and Android apps.
- Planify is open source, according to its own site.
- Free plan · from $4.99/mo
Donetick
Open-source task and chore manager for households and groups
- Donetick starts at $4.99 per month, or $39.99 per year (Donetick Plus, US App Store). 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only Donetick lists a web app.
- Only 2Do lists a macOS app.
- Donetick is open source and self-hostable, according to its own site.
- Free
Mindwtr
Free, open-source GTD task manager for desktop and mobile
- Mindwtr is free. 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only Mindwtr lists Windows and Linux apps.
- Mindwtr is open source, according to its own site.
- 2Do can be bought with a one-time purchase.
- Free plan · from $20/yr
HamsterBase Tasks
Open-source, local-first task manager with encrypted sync
- HamsterBase Tasks starts at $20 per year (Pro). 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only HamsterBase Tasks lists a web app.
- Only HamsterBase Tasks lists Windows and Linux apps.
- HamsterBase Tasks is open source, self-hostable and end-to-end encrypted, according to its own site.
- Free
sleek
Free, open-source todo.txt manager for Windows, macOS and Linux
- sleek is free. 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only sleek lists Windows and Linux apps.
- Only 2Do lists iOS and Android apps.
- sleek is open source, according to its own site.
- Free
Super Productivity
Free, open-source to-do app with time tracking and a Pomodoro timer
- Super Productivity is free. 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only Super Productivity lists a web app.
- Only Super Productivity lists Windows and Linux apps.
- Super Productivity is open source, according to its own site.
- Free plan · from €4/mo
Vikunja
Open-source task manager to self-host or use as a paid cloud
- Vikunja starts at €4 per month, or €40 billed yearly (Vikunja Cloud Personal). 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only Vikunja lists a web app.
- Only Vikunja lists Windows and Linux apps.
- Only 2Do lists an iOS app.
- Free plan · from $0.99/yr
Tasks.org
Open-source Android to-do list with CalDAV and Google Tasks sync
- Tasks.org starts at $0.99 per year (name-your-price subscription). 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only Tasks.org lists Windows and Linux apps.
- Only 2Do lists an iOS app.
- Tasks.org is open source, according to its own site.
- Free
Taskwarrior
Free, open-source to-do list manager for the command line
- Taskwarrior is free. 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only Taskwarrior lists a Linux app.
- Only 2Do lists iOS and Android apps.
- Taskwarrior is open source, according to its own site.
- Free
Todo.txt
Plain-text to-do list format with an open-source command-line tool
- Todo.txt is free. 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only Todo.txt lists Linux and Windows apps.
- Only 2Do lists iOS and Android apps.
- Todo.txt is open source, according to its own site.
- Free
ToDoList
Free, open-source task outliner for Windows with Gantt and kanban
- ToDoList is free. 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only ToDoList lists a Windows app.
- Only 2Do lists macOS, iOS and Android apps.
- ToDoList is open source, according to its own site.
- Free plan · from €5/mo
tududi
Open-source task and life organizer to self-host or use hosted
- tududi starts at €5 per person / month, or €50 per person / year (tududi Cloud). 2Do starts at $9.99 one-time for iPhone; iPad is $19.99 and Mac $49.99, sold separately.
- Only tududi lists a web app.
- Only 2Do lists macOS, iOS and Android apps.
- tududi is open source and self-hostable, according to its own site.
Common questions
Is there an open-source alternative to 2Do?
Yes. Planify, Donetick, Mindwtr, HamsterBase Tasks, sleek, Super Productivity, Vikunja, Tasks.org and 19 more are open source, according to their own sites.
Is 2Do open source?
2Do is not described as open source on its own site. The listing was checked on Oct 5, 2026 against the pages it cites.
When was this checked?
Each listing shows its own date. On this page they run from Oct 5, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to 2Do: the alternatives its listing names first, then the tools that share the most features with it.