Services

Cymath

community

Math problem solver — free step-by-step solutions for algebra, calculus, and precalculus

Hemingway Editor

community

Writing clarity tool — highlights complex sentences, passive voice, adverbs, and readability grade

RemNote

community

Note-taking with spaced repetition — flashcards embedded in notes, knowledge base, and PDF annotation

ProWritingAid

community

Writing assistant — grammar, style, readability, and overused words with 20+ reports

RAWGraphs

community

Open-source data visualization — create custom charts from spreadsheets without coding

Scrivener

community

Writing software by Literature and Latte — long-form writing for novels, screenplays, and research

Capacities

community

Object-based note-taking — structured notes as objects (books, people, meetings) with relations

Ulysses

community

Markdown writing app for Mac and iOS — distraction-free writing, library, and publishing

WikiTree

community

Free collaborative family tree — single shared world tree connecting all genealogy research

element14

community

Electronics community and distributor — components, projects, tutorials, and Farnell parts

BillionGraves

community

GPS-tagged cemetery records — headstone photos, burial records, and family connections

Space.com

community

Space and astronomy news — NASA missions, stargazing guides, rocket launches, and astrophotography