Best Open Source To-Do Lists Software 2025

To-Do Lists Software

To-Do Lists Persian Clear Filters

Browse free open source To-Do Lists software and projects below. Use the toggles on the left to filter open source To-Do Lists software by OS, license, language, programming language, and project status.

See Everything. Miss Nothing. 30-day free trial
Don’t let IT surprises catch you off guard. PRTG keeps an eye on your whole network, so you don’t have to.

As the IT backbone of your company, you can’t afford to miss a thing. PRTG monitors every device, application, and connection - on-premise and in the cloud. You get clear dashboards, smart alerts, and mobile access, so you’re always in control, wherever you are. No more guesswork or manual checks. PRTG’s powerful automation and easy setup mean you spend less time firefighting and more time moving your business forward. Discover how simple and reliable IT monitoring can be.

Try PRTG 30-day full access trial
Cloud data warehouse to power your data-driven innovation
BigQuery is a serverless and cost-effective enterprise data warehouse that works across clouds and scales with your data.

BigQuery Studio provides a single, unified interface for all data practitioners of various coding skills to simplify analytics workflows from data ingestion and preparation to data exploration and visualization to ML model creation and use. It also allows you to use simple SQL to access Vertex AI foundational models directly inside BigQuery for text processing tasks, such as sentiment analysis, entity extraction, and many more without having to deal with specialized models.

Try for free
1

PNotes

PNotes is light-weight, flexible, skinnable manager of virtual notes on your desktop. It supports multiple languages, individual note's settings, transparency and scheduling. Absolutely portable as well - no traces in registry. PNotes.NET edition requires .NET framework 4 Client Profile

">

77 Reviews

Downloads: 396 This Week

Last Update: 2021-11-19
See Project
2

Task Coach

Free flexible open source todo manager featuring hierarchical tasks

Task Coach - Your friendly task manager. Task Coach is a free open source todo manager. It grew out of frustration about other programs not handling composite tasks well. In addition to flexible composite tasks, Task Coach has grown to include prerequisites, prioritizing, effort tracking, category tags, budgets, notes, and many other features. However, users are not forced to use all these features; Task Coach can be as simple or complex as you need it to be. Task Coach is available for Windows, Mac OS X, and GNU/Linux; and there is a companion iOS app.

98 Reviews

Downloads: 125 This Week

Last Update: 2021-06-11
See Project