The honest comparison
Compiled 2026-07 against CKEditor 5 (v48) and Jodit 4. Sizes are measured minified+gzip. Where a row says “free here,” you can verify it in the live demo right now — that's what the proof links are.
| Feature | Open Editor | CKEditor 5 | Jodit 4 | Proof |
|---|---|---|---|---|
| License key required | Never | Yes — even for the GPL tier | No (MIT core) | — |
| Core size (min+gzip) | ~61 KB | ~200 KB+ | ~100 KB | — |
| Runtime dependencies | 0 | Multiple internal packages | 0 | — |
| Slash commands | ✓ Free | Paid | Paid (PRO) | see it live |
| To-do lists | ✓ Free | ✓ Free | Paid (PRO) | see it live |
| Change case | ✓ Free | Paid | Paid (PRO) | see it live |
| Format painter | ✓ Free | Paid | ✓ Free | see it live |
| Source view w/ highlighting | ✓ Free, zero-dep | Paid (enhanced) | Free (needs ACE from CDN) | see it live |
| Typing autocorrect | ✓ Free | ✓ Free | — | see it live |
| Markdown export | ✓ Free (getMarkdown) | Free (data format) | — | — |
| @Mentions | ✓ Free | Free UI (paid backend) | Paid (PRO) | see it live |
| UI locale packs | 5 incl. RTL Arabic | 38 | 30+ | see it live |
| WCAG conformance statement | ✓ Published + CI-enforced | ✓ (VPAT) | — | see it live |
| Built-in XSS sanitizer | ✓ Adversarially CI-tested | Partial (integrator's job) | Hooks only | see it live |
| Telemetry / phone-home | None | License checks | None | — |
Corrections welcome — this table only works if it stays honest. Competitor capabilities move; if a cell is stale, it gets fixed.