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Work · alternatives · 2026

24 alternatives to MolSketch

Free browser-based chemical structure editor

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1
  2. 2

    Create and share amazing sketchnotes in 5 mins

    2021 · news-cloud.co.uk · its alternatives →

  3. 3

    Creative coding editor in Python

    2023 · pysketch.com · its alternatives →

  4. 4CM

    Interactive 3D molecule viewer in HTML5. Works with PDB/MOL/SDF formats.

    2010 · alteredqualia.com · its alternatives →

  5. 5
    Editor.js▲723

    A block-styled editor with clean JSON output

    2019 · editorjs.io · its alternatives →

  6. 6AI
  7. 7

    Inspired by the design and UI/UX of apps like Notion, and utility of open-source apps like StackEdit, I decided to create a minimalistic, local-only WYSIWYG Markdown editor. Some features worth highlighting: - Monaco editor and Prettier integration for code snippets - Tables (apparently the holy grail of WYSIWYG editing) - Embeds (for CodePen, CodeSandbox and YouTube, most useful for HTML or JSON exports) - Accepts Markdown paste-in, and "exports"/generates HTML, Markdown and JSON outputs - Collaboration (with real-time awareness and initial commenting system, available only when…

    2023 · editor.vrite.io · its alternatives →

  8. 8

    Free chemistry tools platform, calculators & structure tools

    2025 · chemtoolshub.com · its alternatives →

  9. 9

    Open web agents from data to deployment

    Apr 2026 · allenai.org · its alternatives →

  10. 10
    Milligram▲281

    A minimalist CSS framework

    2016 · milligram.io · its alternatives →

  11. 11
    Stitches▲135

    The modern CSS-in-JS library with near-zero runtime.

    2020 · stitches.dev · its alternatives →

  12. 12

    Visual editor for learning and quick CSS mocking

    2020 · cssbuilder.veliovgroup.com · its alternatives →

  13. 13

    I've written Mojibake because I don't like the other Unicode libraries for Unicode support. It consists of only two amalgamation files: mojibake.h and mojibake.c. I've added all the most important Unicode algorithms, such as normalization, case conversion, segmentation, bidirectional text, collation, confusable, and others. I regularly test it in these OSes: Linux, macOS, FreeBSD, OpenBSD, NetBSD, and Windows 11. You can find a WASM demo on that site of all the public API functions and the documentation. If you want to participate, feel free to do it. Any kind of help is welcome. Check the…

    Jul 2026 · mojibake.zaerl.com · its alternatives →

  14. 14
    Kinase▲159

    A framework for building web scrapers for Chrome

    2017 · b12.io · its alternatives →

  15. 15IC
  16. 16KJ
  17. 17

    Web-based 3D molecule editor and visualizer with molecular mechanics calculators. - fatimasajadi/chemozart

    2015 · github.com · its alternatives →

  18. 18
    Zenfetch▲264

    Turn notes and browser history into a personal AI

    2024 · zenfetch.com · its alternatives →

  19. 19
    Devsync▲319

    Visually edit CSS. Live-sync the result with your editor.

    2020 · devsync.co · its alternatives →

  20. 20

    Ferrite: Fast Markdown/Text/Code editor in Rust with native Mermaid diagrams Built a Markdown editor using Rust + egui. v0.2.1 just dropped with major Mermaid improvements: → Native Mermaid diagrams - Flowcharts, sequence, state, ER, git graphs - pure Rust, no JS → Split view - Raw + rendered side-by-side with sync scrolling → Syntax highlighting - 40+ languages with large file optimization → JSON/YAML/TOML tree viewer - Structured editing with expand/collapse → Git integration - File tree shows modified/staged/untracked status Also: minimap, zen mode,…

    Jan 2026 · github.com · its alternatives →

  21. 21

    Powerful yet simple vector graphics editor and prototyping

    2015 · apps.apple.com · its alternatives →

  22. 22AA
  23. 23

    Live CSS Editor for Chrome

    2019 · chromewebstore.google.com · its alternatives →

  24. 24

    translate ASCII chemical formulas into Unicode. Contribute to jwilk/chemiscripts development by creating an account on GitHub.

    2022 · github.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →