NetHogs is a free and open source real time command-line network bandwidth and statistics application for Linux. It groups and shows bandwidth by per process. So you can easily view, identify and monitor network heavy programs via PID. In this article we will see how to install and use NetHogs on your Ubuntu system. It is released under GNU General Public License v2.0.
IPTraf is a free and open source interactive real time command-line based network monitoring and statistics application for Linux. it supports IP, TCP, UDP, ICMP, IGMP, IGP, IGRP, OSPF, ARP and RARP protocols and Local loopback, Ethernet interfaces, FDDI interfaces, SLIP, Asynchronous PPP, Synchronous PPP over ISDN, ISDN with Raw IP encapsulation, ISDN with Cisco HDLC encapsulation and Parallel Line IP network interfaces.
It comes with IP traffic monitor module, interface statistics module, TCP and UDP service monitor module and LAN statistics module.
LyX is a free and open Document Processor for Linux, Windows and MacOS. Using LyX write scientific documents, thesis, books and mathematical content easily with its build-in powerful formula editor. It is using WYSIWYM writing structure of your documents. It comes with Tex and Latex support and you can also create a simple letter or a novel or a theater play or film script using this application. it is released under the GNU General Public License, version 2 or later.
Breathing is a free and open source breathing application for your Linux system. Using this application you can improve your breathing pattern by easy breathing exercise. It is simple and easy to use application, released under GNU General Public License v3.0 and written in python. It provides recommended breathing pattern from experts, stress-free, ease the anxiety, calming sound to relax, dark mode and keyboard shortcuts support.
JOSM or Java OpenStreetMap Editor is a free and open source offline map editor for Windows, MacOS and Linux. It is released under open source GNU General Public License v2 or later. Using this you can edit the OSM data (nodes, ways, and relations) and their metadata tags. It supports loading GPX tracks, background imagery, and OSM data from local sources as well as from online sources. You can extend its features via plugins, presets, rules, styles and backgrounds.
Hopsan is a free and open source simulation and modelling application for fluid power and mechatronic systems for Linux and Windows. It is developed at Linkoping university and released under Apache License Version 2.0 and GPL v3 license. the core simulation library comes with multi-core support and subset of Modelica support. And it is also comes with embedded simple numeric script language numhop.
Numpty Physics is a free and open source gravity based crayon drawing puzzle game using Box2D engine. In this game you need to create whatever drawing blocks, ramps, levers, pulleys to get the little red thing to the little yellow thing. It also comes with built-in level editor to build your own levels in this game. It is released under open source GNU General Public License v3.0. It is really fun and interesting game.
OCRFeeder is a free and open source optical character recognition and document layout analysis application for Linux. You can add images and pdf files for character recognition and export your content in ODT, HTML, PDF and plain text. It comes with four build-in OCR engines, Tesseract, GOCR, Ocrad and Cuneiform. It is released under open source GPL-3.0+ license. Some other features are spellchecker, unpaper, import image from scanner and image deskewer.
Scribl is a free and open source educational video making application for Linux. Using Scribl you can make easy animated Handwriting Instructional videos for your video project or tutorial. It is written using Rust and released under open source Apache License 2.0. It comes in three drawing modes draw in super slow motion, Draw in slow motion and Draw in real time.
You can also set fade effect, add and record audio with your video. It also comes with de-noising and speech detection options. You can export your video in mp4 file format.
Outwiker is a free and open source personal Wiki and outliner application for Windows and Linux. Using this Outwiker application you can store notes in a tree and it store notes as folders on disk. It comes with tags, page links, bookmarks, icons for notes, attach files, different page types and plugins support. You can also insert image in page and create plain text, HTML pages and wiki pages.
