Best Knowledge Search Products in 2026

SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

Key SpeedCrunch features:

High Precision Expression Parsing User-Friendly Interface Keyboard Shortcuts

WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.

Key WolframAlpha features:

Powerful Computational Engine Natural Language Processing Wide Range of Knowledge Domains High-Quality Data

Document Conversion Done Right .

Key Mathpix features:

Accuracy Efficiency Integration OCR Capability

fxSolver is an free online math solver, equation library, graphing calculator and science/engineering problem helper. To get started, add some formulas, fill in any input variables and press "Solve.".

Key fxSolver features:

User-Friendly Interface Extensive Formula Library Free to Use Graphical Analysis

Qalculate! is a multiplatform multi-purpose desktop calculator.

Key Qalculate! features:

Versatility Extensive Unit Conversions Currency Conversion Customizability

Open Source

Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.

Key Tweetbot features:

User Interface Customization Options No Ads Sync Across Devices

Numi is a beautiful text calculator for Mac.

Key Numi App features:

Intuitive Interface Versatile Functionality Integration Capabilities Customizable Settings

Open Source

Mycroft is the world’s first open source assistant.

Key Mycroft.AI features:

Open Source Privacy-Focused Customizability Cross-Platform Compatibility

Open Source

Mathway is a freemium math solving app that helps you find the solutions to any math problem you can imagine.

Key Mathway features:

Ease of Use Wide Range of Topics Instant Solutions Step-by-Step Explanations

A simple, immediate and fast unit converter!

Key Converter NOW features:

User-Friendly Interface Wide Range of Conversions Accessibility No Installation Required

Open Source

A comprehensive unit conversion program.

Key ConvertAll features:

Versatility User-Friendly Interface Cross-Platform Compatibility Custom Units

Step by step calculator.

Key Symbolab features:

Step-by-Step Solutions Extensive Math Topics Coverage User-Friendly Interface Interactive Graphing

Photomath is a mobile app that will give you the ability to test your equations through a simple calculator interface that will fully explain the solution in a step-by-step fashion. Read more about Photomath.

Key Photomath features:

Ease of Use Step-by-Step Solutions Wide Range of Topics Offline Access