System Monitor

(2019/10/24) netdata

A real-time health monitoring and performance troubleshooting for systems and applications

(2019/11/01) munin

The monitoring tool surveys all your computers and remembers what it saw

(2019/11/01) collectd

A small daemon which collects system information periodically and provides mechanisms to store and monitor the values in a variety of ways

(2019/11/01) grafana

The open source analytics & monitoring solution for every database

(2019/11/01) psutil

Cross-platform lib for process and system monitoring in Python

(2020/04/27) prometheus

Collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true

(2020/04/27) smokeping

Keeps track of your network latency

(2020/05/12) mrtg

Monitor SNMP network devices and draw pretty pictures showing how much traffic has passed through each interface

(2020/05/26) bandwhich

A CLI utility for displaying current network utilization by process, connection and remote IP/hostname

(2020/05/26) nmon

A computer performance system monitor tool for the AIX and Linux operating systems

Automation

(2019/12/13) huginn

Create agents that monitor and act on your behalf

(2020/04/24) appium

Automation for iOS, Android, and Windows Apps

(2019/09/18) airflow

A platform to programmatically author, schedule, and monitor workflows

Terminal/Window manager

(2019/08/23) coma

Jorisvink's minimalistic X11 window manager

(2019/09/09) howm

A lightweight, X11 tiling window manager that behaves like vim

(2019/09/20) ttyd

A simple command-line tool for sharing terminal over the web

(2020/01/14) hstr

Bash and zsh shell history suggest box

(2020/04/30) rofi

A window switcher, application launcher and dmenu replacement

(2020/05/27) terminology

The best terminal emulator based on the Enlightenment Foundation Libraries

(2020/06/05) kitty

The fast, featureful, GPU based terminal emulator

(2020/06/19) alacritty

A cross-platform, GPU-accelerated terminal emulator

(2020/08/17) jqmenu

A simple, independent and contemporary-looking X11 menu, designed for scripting, ricing and tweaking

Text

(2019/12/20) diff-so-fancy

Good-lookin' diffs

(2019/10/12) pygments

A generic syntax highlighter that supports over 300 languages and text formats

(2020/01/16) the silver searcher

A code-searching tool similar to ack, but faster.

(2020/06/18) doxygen

the de facto standard tool for generating documentation from annotated C++ sources, but it also supports other popular programming languages such as C, Objective-C, C#, PHP, Java, Python, IDL (Corba, Microsoft, and UNO/OpenOffice flavors), Fortran, VHDL, and to some extent D

Benchmark

(2019/10/14) curl-loader

An open-source tool written in C-language, simulating application load and application behavior of thousands and tens of thousand HTTP/HTTPS and FTP/FTPS clients, each with its own source IP-address

(2019/10/14) wrk

A modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU

(2019/10/22) ab

A tool for benchmarking your Apache Hypertext Transfer Protocol (HTTP) server

(2019/12/10) locust

Locust is an easy-to-use, distributed, user load testing tool. It is intended for load-testing web sites (or other systems) and figuring out how many concurrent users a system can handle

(2020/02/24) tsung

An open-source multi-protocol distributed load testing tool

(2021/04/20) YABS

A simple bash script to estimate Linux server performance using fio, iperf3, & Geekbench

Storage

(2019/10/22) lustre

An open-source, parallel file system that supports many requirements of leadership class HPC simulation environments

(2019/12/31) minio

MinIO is a high performance object storage server compatible with Amazon S3 APIs

Web browser

(2019/09/16) vimb

A Vim-like web browser

(2019/10/14) next

A keyboard-oriented, extensible web-browser designed for power users

Web Server

(2019/08/26) caddy

Fast, cross-platform HTTP/2 web server with automatic HTTPS

(2019/10/22) haproxy

The Reliable, High Performance TCP/HTTP Load Balancer

(2019/08/23) kore

An easy to use, scalable and secure web application framework for writing web APIs in C

(2019/10/22) mojolicious

Perl real-time web framework

(2020/05/22) tengine

A distribution of Nginx with some advanced features

(2021/04/13) openresty

Turning Nginx into a Full-Fledged Scriptable Web Platform

Web analytics

(2020/06/18) goatcounter

An open source web analytics platform available as a hosted service (free for non-commercial use) or self-hosted app. It aims to offer easy to use and meaningful privacy-friendly web analytics as an alternative to Google Analytics or Matomo

(2020/06/18) plausible

Simple and privacy-friendly alternative to Google Analytics

(2021/05/13) matomo

The leading open alternative to Google Analytics that gives you full control over your data. Matomo lets you easily collect data from websites & apps and visualise this data and extract insights. Privacy is built-in

Blog/Forum

(2019/08/21) getpelican

Static site generator that supports Markdown and reST syntax

(2020/04/25) flarum

Simple forum software for building great communities

IDC

(2020/05/13) whmcs

Simplify and automate daily tasks and operations with the #1 choice in Web Hosting Automation

(2020/05/13) virtualizor

A powerful web based VPS Control Panel using which a user can deploy and manage VPS on servers with a single click. Virtualizor supports KVM, Xen, OpenVZ, Proxmox, Virtuozzo, LXC, etc with an inbuilt hourly billing system

(2020/05/13) solusvm <https://solusvm.com/>

A powerful GUI based VPS management system with full OpenVZ, Linux KVM, Xen Paravirtualization and Xen HVM support

(2020/05/14) directadmin

A graphical web-based web hosting control panel designed to make administration of websites easier

(2020/05/14) cpanel

Provides a graphical interface and automation tools designed to simplify the process of hosting a web site to the website owner or the "end user"

(2020/05/14) ddos-guard

Powerful and complete DDoS Protection for your business

(2020/08/13) fastnetmon

A high performance DoS/DDoS load analyzer built on top of multiple packet capture engines (NetFlow, IPFIX, sFlow, AF_PACKET, Netmap, PCAP)

Network

(2019/10/22) Openswan

an IPsec implementation for Linux

(2019/10/22) whatis

IP load balancing

(2019/11/15) warp17

The Stateful Traffic Generator for Layer 1 to Layer 7

(2019/12/06) ipfs

Peer-to-peer hypermedia protocol

(2020/04/24) exabgp

Provides a convenient way to implement Software Defined Networking by transforming BGP messages into friendly plain text or JSON

(2020/04/24) bgp.he.net

Hurricane Electric BGP Toolkit

(2020/04/30) ipifo.io

AS number information

(2020/04/25) masscan

TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes

(2020/04/30) librespeed

Self-hosted Speedtest for HTML5 and more

(2020/05/22) dropwatch

Improve the ability for developers and system administrator to diagnose problems in the Linux Networking stack, specifically in our ability to diagnose where packets are getting dropped

(2021/06/04) scapy

The Python-based interactive packet manipulation program & library

Proxy/Tunnel

(2019/11/04) frp

A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet

(2019/11/06) inlets

Expose your local endpoints to the Internet

(2019/11/28) fwknop

Single Packet Authorization > Port Knocking

(2020/04/24) zerotier

A smart programmable Ethernet switch for planet Earth. It allows all networked devices, VMs, containers, and applications to communicate as if they all reside in the same physical data center or cloud region

(2020/04/24) setup-ipsec-vpn

Scripts to build your own IPsec VPN server, with IPsec/L2TP and Cisco IPsec on Ubuntu, Debian and CentOS

(2020/04/25) Brook

A cross-platform(Linux/BSD/MacOS/Windows/Android/iOS) proxy/vpn software. Zero-Configuration

(2020/05/06) graftcp

A flexible tool for redirecting a given program's TCP traffic to SOCKS5 or HTTP proxy.

(2020/05/27) ptunnel-ng

Tunnel TCP connections through ICMP

(2021/04/29) udp2raw

A Tunnel which Turns UDP Traffic into Encrypted UDP/FakeTCP/ICMP Traffic by using Raw Socket,helps you Bypass UDP FireWalls(or Unstable UDP Environment)

Strace

(2019/10/22) FlameGraph

Stack trace visualizer

(2020/04/21) lttng

An open source tracing framework for Linux

Virtualization

(2019/11/08) podman

A daemonless container engine for developing, managing, and running OCI Containers on your Linux System

Android

(2019/12/09) scrcpy

Provides display and control of Android devices connected on USB (or over TCP/IP). It does not require any root access

Backup

(2019/12/09) backuppc

A high-performance, enterprise-grade system for backing up to a server's disk.

(2019/12/20) rsnapshot

Backing up your data using rsync

Text to Speech

(2021/04/15) tts

A library for advanced Text-to-Speech generation

Photo/Video/Design

(2019/11/06) inkscape

A professional vector graphics editor for Linux, Windows and macOS

(2020/04/28) kdenlive

Open source video editor

Advertisments block

(2019/09/21) blokada

Free ad blocker for Android with the best open source community

(2020/04/24) pihole

A black hole for Internet advertisements

(2021/05/13) ublock

An efficient blocker for Chromium and Firefox

Native APP

(2020/07/09) tauri <https://github.com/tauri-apps/tauri>

a framework for building tiny, blazing fast binaries for all major desktop platforms

Service provider

(2020/05/14) uptimerebot

Monitors your websites every 5 minutes and alerts you if your sites are down

(2021/04/29) CDN77

Content Delivery Network chosen by Space Agencies

(2021/04/29) hkix

Hong Kong Internet Exchange

(2021/04/29) sgix

Singapore Internet Exchange

(2021/04/29) IPv4 global

Work with you to buy and sell IP blocks, regardless of the size, and have completed more transfers than anyone else in the world

Misc

(2019/12/20) cloc

Counts blank lines, comment lines, and physical lines of source code in many programming languages.

(2019/12/20) Template2

Perl Template Toolkit

(2020/01/08) jellyfin

A free Software Media System that puts you in control of managing and streaming your media

(2020/01/08) xterm.js

A terminal emulater for web

(2020/01/15) gns3

Graphical Network Simulator

(2020/01/15) unicorn

A lightweight multi-platform, multi-architecture CPU emulator framework

(2019/11/14) NodeMCU

An open source Lua based firmware for the ESP8266 WiFi SOC from Espressif and uses an on-module flash-based SPIFFS file system

(2019/10/29) onefetch

A command line tool that displays information about your Git project directly on your terminal

(2020/01/15) pigz

A parallel implementation of gzip for modern multi-processor, multi-core machines

(2019/08/21) packer

Packer is a tool for creating identical machine images for multiple platforms from a single source configuration

(2019/08/21) osquery

SQL powered operating system instrumentation, monitoring, and analytics

(2019/08/23) ray

A fast and simple framework for building and running distributed applications

(2019/08/23) traefik

The Cloud Native Edge Router

(2019/08/27) etcd

Distributed reliable key-value store for the most critical data of a distributed system

(2019/08/29) znx

Linux distribution deployer and updater

(2019/09/19) PuzzleScript

Open Source HTML5 Puzzle Game Engine

(2020/05/17) CopyQ

CopyQ is advanced clipboard manager with editing and scripting features

(2020/05/17) clipmenu <https://github.com/cdown/clipmenu>

A simple clipboard manager using dmenu (or rofi with CM_LAUNCHER=rofi) and xsel

(2020/05/17) flameshot

Powerful yet simple to use screenshot software

(2020/06/11) ginstall.sh

A script for installing/updating statically compiled applications

(2020/06/11) croc

Easily and securely send things from one computer to another

(2020/09/01) light

A program to control backlights (and other hardware lights) in GNU/Linux