Best Free Software for Linux

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This list of Best Free Software for Linux now includes 161 apps in various categories. Among a plethora of freeware products, we have selected some gems in each category and added them to the list with clear and brief descriptions of each app.


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This category is maintained by senior editor Jojo Yee. Registered members can contact the editor with comments or suggestions by clicking here.

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Dappy - ultra secure decentralized web browser:
playx - search and play any song from terminal:
Flatseal is a graphical utility to review and modify basic permissions from your Flatpak applications:
Tartube is a GUI front-end for youtube-dl:
Safe Boot - improve the safety of booting Linux on normal laptops:
Spycheck - helps you determine if your system is vulnerable to Thunderspy: - cryptographic key management, saltpack, noise, sigchains, user identities, signing, encryption:
Whoogle Search - get Google search results, but without any ads, javascript, AMP links, cookies, or IP address tracking:
Eureka is a simple tool to encrypt files and folders:
SUI - a startpage for your server and/or new tab page:
Castor - a graphical client for plain-text protocols written in Rust with GTK. It currently supports the Gemini, Gopher and Finger protocols:
"... psi-notify is a minimal unprivileged notifier for system-wide resource pressure using PSI. This can help you to identify misbehaving applications on your machine before they start to severely impact system responsiveness, in a way which MemAvailable, CPU graphs, I/O utilisation graphs and other metrics cannot ...":
ARX is a comprehensive open source software for anonymizing sensitive personal data:
"... Vorta is a backup client. It integrates the mighty Borg Backup with your favorite desktop environment to protect your data from disk failure, ransomware and theft ...":
"... Terrier is a highly flexible, efficient, and effective open source search engine, readily deployable on large-scale collections of documents ...":
Setzer - write LaTeX documents with an easy to use yet full-featured editor:
Use Beekeeper Studio to query and manage your relational databases, like MySQL, Postgres, SQLite, and SQL Server:
"... ZombieTrackerGPS (ZTGPS) can manage collections of GPS tracks from biking, hiking, rafting, light aircraft, automobile trips, snowboarding, and other activities. It features local data storage (no data scraping or monetization), advanced sorting and query capabilities to let you see and manage your data, and a highly customizable user interface ...":
"... dnsdist is a highly DNS-, DoS- and abuse-aware loadbalancer. Its goal in life is to route traffic to the best server, delivering top performance to legitimate users while shunting or blocking abusive traffic ...":
Shellshare allows you to broadcast your terminal live with a single command:
"... Code Browser is a folding text editor, designed to hierarchically structure any kind of text file and especially source code. It makes navigation through source code faster and easier ...":
dangerzone - take potentially dangerous PDFs, office documents, or images and convert them to a safe PDF:
Ventoy is an open source tool to create bootable USB drive for ISO files:

This looks like a GREAT app. You can easily multiboot any ISO, just copy them to a flash drive. The install looked much easier than easy2boot (which I never could get to work). Unfortunately it needs Linux kernel 5.4 to read the exFAT format where you put the ISOs. Sigh. So I guess I have to download the new Ubuntu just to do that!

Infra free - Instantly manage and monitor Kubernetes from your Desktop:
"... Keycloak is an open source Identity and Access Management solution aimed at modern applications and services. It makes it easy to secure applications and services with little to no code ...":
"... laitos web server suite offers the simplest way to host your personal website, receive Emails, block ads and malicious websites with a DNS server, and much more ...":