Messaging App

Communication · React + Node (Express) · 21 @molecule/* packages

WhatsApp-like 1:1 and group messaging with end-to-end encryption, read receipts, and media sharing — with built-in Stripe-backed subscription tiers

Try it

Opens instantly. Runs on sample data, so changes reset on reload.

contacts — id, user_id, contact_user_id, nickname, is_blocked, created_at, updated_at, updatedAt
conversation_participants — id, conversation_id, user_id, joined_at, last_read_at, is_muted, muted_until, is_archived, …
conversations — id, type, title, created_by, group_id, last_message_at, last_message_preview, last_sender_id, …
devices — id, createdAt, updatedAt, userId, name, pushPlatform, pushSubscription, hasPushSubscription
group_members — id, group_id, user_id, role, is_muted, joined_at, updatedAt
groups — id, owner_id, name, description, avatar_url, encryption_enabled, created_at, updated_at, …
media — id, conversation_id, sender_id, url, thumbnail_url, type, size, name, …
message_receipts — id, message_id, user_id, status, at, updatedAt
messages — id, conversation_id, sender_id, content, type, media_id, reply_to_message_id, is_edited, …
payments — id, createdAt, updatedAt, userId, transactionId, productId, platformKey, data, …
reactions — id, message_id, user_id, emoji, created_at, updatedAt
notifications — id, user_id, kind, payload, read_at, created_at, updatedAt
user_preferences — user_id, preferences, updated_at, updatedAt

free / pro / team — gated by: maxContacts, maxConversations, maxMedia, maxMessages, advancedFeatures, canExport, retentionDays

The @molecule/* packages are Apache-2.0. The app you build from this template is yours to export and self-host. Licensing