Directory / Products & architecture

Products & engineering work.

Browse the product work by domain. Every product has a permanent overview with its users, workflow, component architecture, source references and current scope.

By Savi Saluwadana · Reviewed

Marketplaces, commerce and service operations

Products that connect discovery and customer journeys with bookings, fulfillment or procurement.

ProductPurpose and architecture
Avara Real EstateProperty discovery, transactions and host operations in Sri Lanka. Next.js → MongoDB → S3 → PayHere
Blu.lkHome-service discovery, booking and fulfillment in Sri Lanka. Customer + provider experiences → Laravel API → MySQL
FreshPick / FreshOnTimeFood commerce, producer onboarding and scheduled recurring deliveries in Colombo. Next.js → Prisma / PostgreSQL → recurring delivery + media storage
EventOSQuick provider matching and full event procurement. Next.js → PostgreSQL → transactional workflows + file storage

Business systems and operational software

Work around property, people, retail, education, finance and restaurant operations.

ProductPurpose and architecture
Property Management OSMulti-tenant rental operations and controlled agent-assisted work. Next.js → Go modular monolith → PostgreSQL → Outbox worker → MCP
Advance HRISHybrid web and local-first desktop HR operations. Next.js Web + Wails / React Desktop → Go API → PostgreSQL
NexusPOSCheckout and store operations with an optional Electron desktop shell. Next.js / React → Prisma → MongoDB + Electron
AcademixStudent, academic and fee operations in a role-aware workspace. Next.js → MongoDB / Mongoose → notification integrations
Acme AccountingSingle-company financial operations backed by a double-entry ledger. Next.js → MongoDB / Mongoose → double-entry ledger
Plate Restaurant OSRestaurant point of sale and coordinated order operations. Next.js → authenticated API routes → MongoDB

Healthcare and patient-facing products

Practitioner discovery, consultation journeys and clinic administration, with contribution boundaries documented on each page.

ProductPurpose and architecture
TimelyHelp.lkProduct and frontend work for practitioner discovery and consultation journeys. Next.js 15 → NextAuth → practitioner APIs → Zoom Video SDK
MediCarePatient administration, appointments, clinical records and billing. Next.js → Go API + scheduling service → PostgreSQL

AI agents, research and developer tools

Evidence-led research, controlled automation, developer publishing and analytics prototypes.

ProductPurpose and architecture
DevRelOSA self-hosted beta for discovery, engagement and outcome measurement. Next.js → Go API → PostgreSQL → Workers → MCP
RapidReachDeveloper publishing and tool discovery with a small CMS. Next.js 16 → MongoDB → Vercel Blob
Pain Intelligence LabCross-source pain research and evidence-backed opportunity validation. React / Vite + MCP host → Express API → MongoDB
Ad Performance Analysis AgentAn advertising analytics and reporting prototype. React / Vite → Express → CSV analysis + Gemini → email

Read each product in context

This directory covers products I’ve built and worked on, including development projects, a self-hosted beta, prototypes and frontend contributions. A listed product is not a claim that every capability is commercially deployed. Each product page states the documented boundary.

Read the architecture reference to compare agent permissions, desktop data, tenant isolation and transaction workflows. Visit About Savi for engineering focus and public profile links.