PepperX
High-performance, enterprise-grade engines and tools for the .NET & JS ecosystems.
Built to be safe by default, and designed to get out of your way.
PepperX exists around one idea: the unglamorous, repetitive parts of software — dynamic filtering, pagination, security validation, database concurrency, standardized contracts — should be solved once, well, and never rewritten per project. Every project under this org is built with the same principles:
- 🛡️ Safe by default — security in QueryForge, concurrency correctness in SqliteGate. Never something you bolt on later.
- 🧩 One core, many front doors — the hard thinking happens once, in a provider-agnostic engine; the adapters stay thin.
- ✅ Tested and CI-gated before anything ships — no publish without a green build.
- 📖 Documented like it matters, because a library nobody can learn fast is a library nobody adopts.
| Project | Stack | What it is | Status |
|---|---|---|---|
| QueryForge | C# / .NET 10 | A provider-agnostic dynamic query engine. Define filtering, sorting, paging and hierarchical grouping once — via fluent C# or a JSON contract — and execute it through Dapper, EF Core, or an in-memory collection. Nothing is deployed to your database. | ✅ Active |
| SqliteGate | C# / .NET 10 | Concurrency-safe SQLite. Stops SQLITE_BUSY / "database is locked" by putting one write queue in front of each database file — writes queue, reads never block — behaving identically whether you're on raw ADO.NET, Dapper, or EF Core. | 🚀 New |
| QueryForge Grid Adapters | TypeScript / JS | Frontend adapters translating enterprise data-grid loadOptions (DevExtreme, AG Grid, Kendo UI) directly into QueryForge's JSON query contract — no manual mapping required. | 🔧 In Development |
- Building a filter/sort/page API and tired of hand-writing WHERE clauses per screen? → QueryForge
- Seeing database is locked from a SQLite-backed service under load? → SqliteGate
- Wiring a DevExtreme / AG Grid / Kendo grid to a QueryForge backend? → Grid Adapters
The two .NET engines are independent — use either on its own, or both together.
- First public release of the JS/TS grid-adapter package
- Continued provider and engine coverage across both .NET engines, driven by real usage
Questions, ideas, or found a bug? Open an issue on the relevant repo above — we read all of them.
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Repositories
- .github Public
- SqliteGate Public
Treat SQLite like a real database server in .NET: writes queue, reads never block. One concurrency engine, three packages — ADO.NET, Dapper, EF Core.
- PepperXGrid Public
Framework-agnostic frontend data grid — the official counterpart to QueryForge. Typed query contract, fluent builder, and React bindings, with a zero-config QueryForge adapter.
- QueryForge Public
Define your query once. Filter, sort, page, group — get back a standard result, whether you're on Dapper, EF Core, or in-memory data.
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