1
Also covers android, open source, and research · same kind of open-source project
Use yetCalc as a calculator on Android, as specified by the project repository.
Alternatives
The Best OpenCalc Alternatives in 2026
24 alternatives1 free · 11 open source
Looking for something like OpenCalc? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 11 are open source.
OpenCalc provides calculator features in an Android app, according to its repository description.
Top picks at a glance
First suggestionyetCalcUse yetCalc as a calculator on Android, as specified by the…Free or freemium optionTI 84 CalculatorThe TI-84 online simulator provides graphing and scientific…Another optionGradedTrack grades with Graded, a grade tracking project…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | yetCalc | — | Yes | Android |
| 2 | Graded | — | Yes | — |
| 3 | microMathematics | — | Yes | Android |
| 4 | dna-claude-analysis | — | Yes | — |
| 5 | Lurnby | — | Yes | — |
| 6 | Anki Android | — | Yes | Android |
| 7 | QwikTape | — | Yes | Linux, macOS, Windows |
| 8 | PyGlossary | — | Yes | — |
| 9 | Driftly | — | Yes | — |
| 10 | Scikit-Survival | — | Yes | — |
All OpenCalc alternatives
2
Also covers android, open source, and research · same kind of open-source project
Track grades with Graded, a grade tracking project described in its repository.
3
Also covers open source and research · same kind of open-source project
microMathematics Plus is a visual calculator with a worksheet layout, graphing and function plotting.
4
Also covers open source and research · same kind of open-source project
This repository provides scripts for exploring a genome and receiving personalized explanations through natural dialogue.
5
Also covers open source and research · same kind of open-source project
Lurnby supports active reading and personal knowledge management, according to its repository description.
6
Also covers open source and research · same kind of open-source project
AnkiDroid brings Anki flashcards to Android for reviewing decks with spaced repetition.
7
Also covers open source and research · same kind of open-source project
QwikTape lets users calculate and annotate results in a paper-style workspace.
8
Also covers open source and research · same kind of open-source project
PyGlossary converts dictionary and glossary files for use in different open-source dictionary applications.
9
Also covers open source and research · same kind of open-source project
Driftly helps students track class attendance, according to its project description.
10
Also covers open source and research · same kind of open-source project
Scikit-Survival provides survival analysis built on top of scikit-learn.
11
Also covers open source and research · same kind of open-source project
StudyCraft creates editable flashcards and tests from study materials, with manual and language-model-assisted generation.
12
CEmu
github.com/CE-Programming/CEmuAlso covers research · same kind of open-source project
CEmu emulates TI-84 Plus CE and TI-83 calculator models with functionality for developers, according to its repository page.
13
Awesome Research
github.com/emptymalei/awesome-researchAlso covers research · same kind of open-source project
This GitHub collection lists tools for research and related work, though its page notes that the repository is deprecated.
14
SearchifyX
github.com/daijro/SearchifyXAlso covers research · same kind of open-source project
SearchifyX searches flashcards, according to its repository description.
15
Entitree
github.com/codeledge/entitreeAlso covers research · same kind of open-source project
The EntiTree repository contains the Next.js project that powers the EntiTree website.
16
Awesome Evidence Synthesis
github.com/evidencesynthesis-tools/awesome-evi…Also covers research · same kind of open-source project
This repository lists open-source tools for systematic reviews, meta-analysis, and evidence synthesis.
17
Kalker
kalker.xyzAlso covers android and research
Use Kalker as a calculator with custom variables, functions, differentiation and integration on desktop, mobile or web.
18
Symbolab
symbolab.comAlso covers android and research
Symbolab solves algebra, trigonometry and calculus problems step by step, with calculators for equations, derivatives and integrals.
19
Also covers research · free
The TI-84 online simulator provides graphing and scientific calculator tools with an accompanying manual.
20
Omni Calculator
omnicalculator.comAlso covers research
Omni Calculator provides hundreds of custom-built online calculators for everyday problems in finance, business, health, math, statistics and construction.
21
WolframAlpha
wolframalpha.com/examples/mathematicsAlso covers research
WolframAlpha provides math answers and calculators across algebra, calculus, geometry, number theory and other topics.
22
PlanetCalc
planetcalc.comAlso covers research
PlanetCalc catalogs online calculators for topics including dates, time, science, engineering and everyday conversions.
23
arTIfiCE
yvantt.github.io/arTIfiCEAlso covers research
arTIfiCE restores assembly programs and games on compatible TI CE calculators through a jailbreak.
24
TICalc
ticalc.org/pubAlso covers research
ticalc.org archives user-contributed files for TI graphing calculator models, with sections for programs and hardware.
No alternatives match this filter.
Alternatives to similar tools
Awesome Research24 alternativesStudy Craft24 alternativesAwesome Evidence Synthesis24 alternativesGraded24 alternativesPyGlossary24 alternativesScikit-Survival24 alternatives
What is the best alternative to OpenCalc?
Based on features, tags and platforms, the closest alternatives to OpenCalc are yetCalc, Graded, and microMathematics.
Is there a free alternative to OpenCalc?
Yes. TI 84 Calculator is free or offer a free plan.
Are there open-source alternatives to OpenCalc?
Yes: yetCalc, Graded, microMathematics, and dna-claude-analysis.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative