All of the time trackers featured in this roundup are console applications, using a command-line interface.
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15 Useful Free and Open Source DNS Clients
DNS is one of these things many take for granted that is critical to using the internet. Without DNS, the internet breaks.
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13 Best Free and Open Source Linux Business Intelligence Software
A business intelligence platform includes three layers: a database layer, a business intelligence layer, and an analytics/performance management layer. Here’s our roundup of the best business intelligence software.
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Best Free and Open Source Software: October 2025 Updates
October 2025 updates to the largest compilation of recommended free and open source software available for Linux.
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17 Best Free and Open Source Email Servers
Here’s our verdict on free and open source email servers. We recommend Exim, OpenSMTPD, mox, DBMail, WildDuck, and Stalwart.
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6 Best Free and Open Source Haskell Linter Tools
A linter is a tool used to analyze source code for potential errors, stylistic issues, and adherence to coding standards.
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20 Best Free and Open Source Audio Analyzers
This article examines audio analyzers. This type of software lets you visualize audio spectrum for real-time signals. Some of the programs also lets you analyze amplitude and phase spectrum as well.
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9 Best Free and Open Source Diary Software
This article identifies flexible and useful diary tools for the Linux desktop. Free and open source software only.
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28 Best Free and Open Source Linux GUI Time Tracking Software
Time tracking software is a type of computer software that records time spent on tasks. This category of software can enable users to run billing reports, and prepare invoices for clients.
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13 Best Free and Open Source QR Code Tools
A QR code (also known as a quick-response code) is a type of two-dimensional matrix barcode invented for labelling automobile parts.
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