Jonas Lehtinen
Founder, CEO/CTO
Jonas leads product direction and architecture, working closely with choirs to keep planning, rehearsal, and communication workflows aligned in one platform.
About ChoirPower
Built for modern choir collaboration
ChoirPower helps choirs plan, rehearse, communicate, and share music in one connected workspace.
The Product
ChoirPower combines member management, repertoire, event planning, chat, and media workflows so choirs can reduce admin overhead and focus on musical progress.
The platform is designed for both leadership and members, with role-based capabilities that keep day-to-day collaboration clear and structured.
The Company
ChoirPower is built by a product and engineering team focused on practical digital tools for ensemble and community organizations.
We work closely with real choirs and iteratively improve the platform based on operational needs and feedback.
The Team
Our cross-functional team includes product design, frontend/backend engineering, operations, and support. We prioritize reliability, usability, and transparent communication.
Amalia Strauss
CFO
Amalia leads financial planning, pricing strategy, and operational forecasting, ensuring ChoirPower grows sustainably while staying accessible for choirs of different sizes.
Sofia Bergman
Customer Success Manager
Sofia supports onboarding and day-to-day adoption with conductors and admins, helping teams configure ChoirPower quickly and build practical routines.
Primary role
Choir operations workspace Combines public marketing pages with authenticated choir coordination and collaboration views.Shared stewardship
Prosper Foundation
ChoirPower is one of the mounted SaaS solutions in the SaaSpawn ecosystem. Its About surface therefore needs to connect product-specific narrative with the broader Prosper-aligned stewardship model.
Declaration
Declaration and commitments
The product-specific About story remains intact above this block. This supplementary section adds the consistent licences and standards disclosure now expected across the ecosystem.
Licences & standards
External dependencies, derived assets, and open standards
Every item should link to the relevant licence file, project page or repository, and contribution path so provenance and participation stay visible.
Application stack 5 items
Core open-source frontend stack used across ChoirPower web surfaces.
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Svelte
Component runtime for ChoirPower web interfaces.
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SvelteKit
Routing and app-shell framework across public and authenticated surfaces.
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TypeScript
Typed contracts for choir state, localization, collaboration, and diagnostics.
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Vite
Development and build tooling for ChoirPower apps.
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Wrangler
Cloudflare deployment tooling used for hosted previews and releases.
Feature libraries 8 items
Open-source libraries used by the ChoirPower public and member-facing frontend.
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Tailwind CSS
Utility CSS layer used in the frontend app.
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Flowbite
Component and interaction library used in parts of the frontend UI.
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Flowbite Svelte
Svelte bindings for Flowbite UI primitives.
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Phosphor Svelte
Icon component set used in authenticated ChoirPower navigation and controls.
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Leaflet
Map rendering library used where geographic context is displayed.
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PDF.js
PDF rendering support used in score and document flows.
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Hugging Face Transformers
Referenced for ML-backed frontend feature experiments and supporting flows.
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Emoji Picker Element
Emoji picker web component used in messaging and composition flows.
Open standards 3 items
Standards and de-facto browser norms that ChoirPower depends on directly.
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Fetch Standard / CORS
Used for browser-to-API communication across public and authenticated web flows.
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WebSockets
Used for realtime chat and live in-app message flows.
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SVG
Used for logos, iconography, and vector ornamentation across the app.