Best Knowledge Search Products in 2025

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

Limey: Connect smarter with QR codes, links, sites, and digital business cards in one place.

Key Limey features:

User-Friendly Interface Real-Time Collaboration Cross-Platform Compatibility Integration with Other Tools

Visit website freemium $5.0 / Monthly (Lite paid plan)

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

Qalculate! is a multiplatform multi-purpose desktop calculator.

Key Qalculate! features:

Versatility Extensive Unit Conversions Currency Conversion Customizability

Open Source

Numi is a beautiful text calculator for Mac.

Key Numi App features:

Intuitive Interface Versatile Functionality Integration Capabilities Customizable Settings

Open Source

Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.

Key Soulver features:

Intuitive Interface Live Calculations Natural Language Processing Versatile Units and Conversions

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

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

Step by step calculator.

Key Symbolab features:

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

Homework Help & Solver.

Key Brainly features:

Community Support Free Access Variety of Subjects Collaborative Learning

Any individual who has ever gazed restlessly at a knotty condition needing an answer has longed for some sort of hatchet to slice through the issue.

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

A simple, immediate and fast unit converter!

Key Converter NOW features:

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

Open Source

Avogadro is a free, fantastically easy to use molecule editor.

Key Avogadro features:

Open Source Cross-platform User-friendly Interface Extensible