Awesome GitHub RepositoriesCustom Query Languages

Beancount is a plain-text double-entry accounting system. It enforces zero-sum transactions, organizes accounts into a hierarchical five-type tree, and verifies balances at specific dates using precision-derived tolerances. Transactions are recorded in plain-text files with a strict syntax that supports currency-specific rounding, automatic interpolation of missing amounts, and comprehensive metadata including tags, links, and payee annotations. Beyond core bookkeeping, Beancount offers investment portfolio tracking with lot-based cost basis management, configurable booking strategies (FIFO,

Silver Bullet is a local-first, bidirectional Markdown wiki that functions as a Lua-scriptable note-taking platform with an embedded declarative query language. It treats a single folder on your device as the root workspace, monitoring that directory for file changes via a native file-system watcher to keep its in-memory index and user interface synchronised in near real-time. Notes are parsed into a live-preview Markdown AST that re-renders only changed nodes as you type, and the application builds a directed graph of internal hyperlinks from each note’s content to support bidirectional navig