A data index and query language over Markdown files, for https://obsidian.md/.

Declarative web scraping

Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc

A query engine for any combination of data sources. Query your files and APIs as if they were databases!

Neo4j Bolt driver for Python

EliasDB a graph-based database.

The OpenCog (hyper-)graph database and graph rewriting system

JsQuery – json query language with GIN indexing support

Pipelined Query Language

📝 Web-based, reactive Datalog notebooks for data analysis and visualization

SQL Runtime without any database

The implementation of the Rascal meta-programming language (including interpreter, type checker, parser generator, compiler and JVM based run-time system)

Specification for GROQ - The Query Language for JSON

🪄 Inline SQL in any Python program

AskQL is a query language that can express any data request

Query-Based Code Analysis Engine

A tiny query language for filtering structured data

TypeQL: Built for systems, not records

Run GROQ in your command line

manipulate JSON files

Portable, Serverless & Lightweight SQLite-based Graph Database in Arturo

PGQL is an SQL-based query language for property graphs

A JavaScript DSL for querying Linked Data on the Web

CQL: Categorical Query Language implementation in Haskell

GraphQL interface for querying and serving linked data on the Web.

Query language for blending SQL and local language models across structured + unstructured data, with type constraints.

Rust implementation of JMESPath, a query language for JSON

A flow-style query language for SQL engines

Kirby's Query Language API combines the flexibility of Kirby's data structures, the power of GraphQL and the simplicity of REST.

Query multiple APIs and DBs and join them in a single query