All licenses are perpetual and never expire. The full v2.0 stack is in every tier — AI Toolkit, Track Changes, Comments, Revision History, DOCX export, dictation, mobile toolbar, Yjs collab. No premium add-ons. No usage credits.
Everything included — even at $129
Competitors charge separately for these. Ours are in the base license.
AI Toolkit
Ask AI / AI Chat / AI Review with built-in OpenAI / Anthropic / Azure resolvers
Streaming AI responses
Server-Sent Events; tokens render as they arrive
Track Changes
Word-style human suggesting mode; per-author accept / reject
Threaded Comments
Anchored to selection ranges; replies, resolve, delete
Revision History
Snapshot browser, named versions, LCS line diff, restore
Slash Commands & @Mentions
Notion-style /, @, # triggers with async data sources
Yjs Real-time Collaboration
Presence + opt-in concurrent typing via Y.Text
DOCX Export
Server-side via OpenXml; one-line endpoint mapping
Dictation
Web Speech API microphone; live interim transcripts
Mobile Toolbar Mode
44×44 tap targets, sticky header, bottom-sheet dropdowns
Cloud Upload Providers
Pluggable IRichTextBoxUploadStore for S3 / Azure / Cloudinary
Structured Content
JSON + Markdown round-trip; server-safe conversion helpers
All licenses are perpetual and never expire. We use PayPal and Stripe to accept online payment in a secure and reliable way. All major credit cards are accepted.
If you require any licensing option not listed below, including volume licensing and previous versions, please contact us.
Single domain deployment
Single IP address deployment
Up to 10 domains
Single developer, unlimited projects
Include in your distributed software
Team of developers, unlimited projects
Organization-wide deployment
Full source code access
Please contact us if you require any licensing option not listed above, including volume licensing and previous versions.
3-year total cost
For one production domain with the full collaboration + AI stack, the perpetual math is unambiguous. Numbers below are pulled from each vendor’s public pricing page (April 2026).
| Vendor | Required tier(s) for parity | 3-year cost |
|---|---|---|
| RichTextBox (us) | Domain License — full v2.0 stack included | $129 once |
| TinyMCE 7 | Essential ($25/mo) + AI add-on (~$159/mo at 100M tokens) | ~$6,624 |
| CKEditor 5 | Premium + Real-time Collab + Track Changes + AI Assistant | ~$11,500+ |
| Tiptap 2 (Pro + AI) | Document-based + Content AI bundle | ~$7,200+ |
| Froala 5 + AI Assist | Per-project commercial + AI Assist plugin | ~$3,600–$5,000 |
Most teams finish the migration in under a day. Side-by-side config cheat sheets, plugin equivalence tables, and a step-by-step checklist.