An Estonian holding company reimagining corporate culture through innovation, automation, and shared values.
We are a team with 70+ years of collective experience across computer science, information sciences, psychology, and education. Paraplu acts as a holding company, incubator, and shared services hub — centralizing accounting, equity management, hosting, administration, and providing a shared labor pool so our subcompanies can focus on building.
CodeSociety is our consulting & contracting arm — specializing in IT architecture, XML authoring systems, FontoXML integration, and TerminusDB consulting. We build structured content platforms and data solutions that power digital publishing.
| Company | Description |
|---|---|
| CodeSociety | Consulting & contracting arm — expert software development services worldwide |
| Institute for Partiture Securement Technology | Research institute developing a CRDT-driven collaborative sheet music web editor, incentive protocol & blockchain node |
| MoneyMaker Boardgame Cooperative | Dutch cooperative producing the Money Maker boardgame — the spiritual successor to Monopoly |
| Papiro | Interactive pen platform reimagining how we interact with physical books and educational content |
- Parture — GitHub for sheet music. Infrastructure layer for score-editing software with a protocol to incentivize musicians worldwide to transcribe and collaborate.
#rust#elm#wasm - ContentEdge CMS — Java-based modular headless enterprise CMS with strict data isolation per tenant.
#java#spring-boot - Papiro Interactive Pen — Interactive pen with an AI-powered collaborative web editor for producing book contents.
#rust#ai - Money Maker — Board game where players become commercial banks, create money, and wreck the economy.
#board-game#activism - Kiriwiri — AI-powered voice logistics platform automating logistics through a voice-first social network.
#ai#voice - Fromulo — Fonto Formula plugin, a competitive alternative to Wiris.com.
#fonto#math - FormHandle.dev - World's first serverless form handler; Do a single POST call and your forms are captured to email.
#contactform#serverless - HypeStash.dev - Serverless waitlist. Single POST call and your waitlist is ready to go!
#waitlist#serverless - Pub·bin - Deduplicating XML CMS that supports any XML schema. Oriented around content reuse and versioning of all data. Powered by FontoXML
We maintain and contribute to several public repositories:
| Repository | Description |
|---|---|
| terminusdb-rs | Rust client for TerminusDB |
| airwallex-rs | Airwallex Rust client |
| wise-rs | Rust client for Wise.com |
| migadu-rs | Migadu client in Rust |
| sedna-rs | Rust crate embedding the Sedna XML query engine |
| js-oo-rs | Rust object-oriented emulation layer for JavaScript ports |
| xmlschema-rs | Rust port of Python xmlschema |
| schemas-rs | Schema utilities in Rust |
| x-rs | X client in Rust |
| contentedge-cms-sdk | ContentEdge CMS SDK for frontend integration |
We also maintain forks of TerminusDB, xot, xee, xrust, and graphql-client.
Our work primarily revolves around Rust, Elm, Java, and WebAssembly, with a strong focus on XML technologies, CRDTs, collaborative editing, and content management systems.