The Best Converter Pro Alternatives in 2026

MSD Manuals provide medical reference material in multiple versions for different audiences.

OneConverter provides conversion tools for work and study, with searchable pages for its available converters.

Matthen shares math and science animations through an archive and a contact option.

Visitors can explore chemical elements in the interactive periodic table at Periodic-Table.io, which offers multiple language options.

ChemOCR uses a lightweight model to recognize chemical structures from images and convert them into other formats.

PicaSim provides information, media, and downloads for a radio-controlled flight simulator.

Follow tutorials for building network servers on Linux distributions and Windows Server with Server World.

OpenRocket is model rocket simulation software with a download and information about supported operating systems.

Follow this guide to configure VSCodium to use the Microsoft Extension Marketplace instead of Open VSX.

Study algorithms implemented in C++ through this open-source learning repository.

CESDB lists civil engineering software for professionals and students looking for tools in the field.

With Horizon EDA, users can manage electronic parts, draw schematics and create PCB layouts.

KiCad is open-source software for drawing electronic schematics, designing printed circuit boards and viewing them in 3D.

SimFlow is a graphical interface for OpenFOAM with a computational fluid dynamics workflow from meshing onward.

The Wikispecies project lets visitors browse and contribute information about species through its online reference pages.

MathNet lets users browse and search more than 30,000 Olympiad-level problems from 47 countries in 17 languages.

iNaturalist lets users record plant and animal observations, share them with others and learn about the natural world.

Frink’s web interface accepts Frink expressions for lookup and calculation, with links to documentation, examples, and related tools.

Explore a 3D periodic table in table and atomic views, with element selection opening a Bohr model visualization.

OpenFOAM publishes news and access to its computational fluid dynamics software, including release and patch notes.

This Android app recognizes bird species from their sounds and includes an extensive database of bird recordings.

MDCalc provides medical equations, algorithms, and clinical scores across areas such as cardiovascular risk and kidney function.

Learn Linux administration through user-friendly tutorials on HowtoForge.

The ALIEN artificial life environment provides project objectives, getting-started information, and contributor guidance.