BRL-CAD is a powerful cross-platform Open Source combinatorial Constructive Solid Geometry (CSG) solid modeling system that includes interactive 3D solid geometry editing, high-performance ray-tracing support for rendering and geometric analysis, network-distributed framebuffer support, image and signal-processing tools, path-tracing and photon mapping support for realistic image synthesis, a system performance analysis benchmark suite, an embedded scripting interface, and libraries for robust high-performance geometric representation and analysis.

Bluefish is a powerful editor designed for programmers and web developers. It has many options for creating websites, scripts and program code. Bluefish supports various programming languages, markup languages and has many features, including:
- Customizable code folding, auto indenting and completion
- Support for remote files operation over FTP, SFTP, HTTPS, WebDAV, etc.
- Site upload and download
- Powerful search and replace engine
- Snippets plugin to automate often used code
- Code-aware in-line spell checking
- Zencoding or Emmet support

eduActiv8 is an educational software suite designed for children aged 3 to 10. The program offers a wide range of interactive exercises and games aimed at developing basic skills and knowledge—from learning the alphabet and new words, colors, and time, to a wide range of math-related subjects.

Simply put, it's a digital collection of educational activities that helps children learn in a fun and interactive way.

Key Features:

This is a fully ready-to-use molecular visualization (molecular imaging) system for use in structural biology.
It allows to create high-quality three-dimensional images of both small molecules and biological macromolecules, primarily proteins.
About a quarter of all published images of protein structures in the scientific literature are made with PyMOL.

Kig это приложение для интерактивного геометрическую конструкцию, что позволяет студентам рисовать и изучать математические фигуры и концепции с помощью компьютера.
Kig поддерживает макросы и скрипты использованием Python. Она может импортировать и экспортировать файлы в различных форматах, включая SVG, Кабри, доктор Geo, KGeo, KSeg и XFig

Vym (View Your Mind) is a mind diagramming program. It is useful for organizing thoughts and working on structuring something.
A connection diagram (mind map, mindmap) is a color radial diagram with an image in the center, illustrating semantic and other connections between parts of scientific material.
For example, it can graphically illustrate the structure of a dissertation plan, a project plan, or the structure of government institutions in an area.
Communication diagrams have many applications in personal, family, educational, and business situations.
Opportunities include note-taking, brainstorming, summarizing, revising, and general clarification of thoughts.

KDE Education Project — пакет образовательных компьютерных программ. Он фокусирует своё внимание на разработке программ для детей в возрасте от 3 до 18 лет.
Кроме того в пакет входят программы для преподавателей, помогающие планировать уроки.

Программы затрагивают такие темы как:
Языки, Математика, Наука, Инструменты учителя и другие

KediCAD is a 2D analogue of AutoCAD.

This program has a simulation feature that allows you to make expected changes to general drawings.

KediCAD can also be used to create a drawing of the moment of inertial calculations and calculation of bends.

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Parley выделяется из ряда подобных программ тем, что у неё есть огромное количество готовых карточек, которые можно скачать. Есть карточки, которые помогут вам выучить с дюжину разных языков, есть карточки, которые помогут запомнить важные даты, химические элементы, изучить анатомию, теорию музыки и др.

SQLiteman — инструмент администрирования баз данных sqlite3 в графическом интерфейсе очень прост в использовании.