Natural Language SQL Querying NLP Tools

Tools for converting natural language questions into SQL queries and database interactions. Includes text-to-SQL engines, database query assistants, and natural language interfaces for structured data exploration. Does NOT include general database management, query optimization without NL conversion, or data visualization tools that aren't NL-driven.

There are 63 natural language sql querying tools tracked. 3 score above 50 (established tier). The highest-rated is FerreroJeremy/ln2sql at 62/100 with 519 stars and 10 monthly downloads. 1 of the top 10 are actively maintained.

Get all 63 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=nlp&subcategory=natural-language-sql-querying&limit=20"

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#	Tool	Score	Tier	Stars	Language
1	FerreroJeremy/ln2sql A tool to query a database in natural language	62	Established	519	Python
2	salesforce/TabularSemanticParsing Translating natural language questions to structured query language (SQL)	50	Established	235	Jupyter Notebook
3	jkkummerfeld/text2sql-data A collection of datasets that pair questions with SQL queries.	50	Established	585	Python
4	eguilg/nl2sql 阿里天池首届中文NL2SQL挑战赛top6	48	Emerging	218	Python
5	DukeNLIDB/NLIDB Natural Language Interface to DataBases	47	Emerging	117	Java
6	ayoungprogrammer/nlquery Natural Language Engine on WikiData	47	Emerging	436	Python
7	HKUSTDial/NL2SQL_Handbook This is a continuously updated handbook for readers to easily track the...	47	Emerging	1,361	Python
8	guotong1988/NL2SQL-RULE Content Enhanced BERT-based Text-to-SQL Generation https://arxiv.org/abs/1910.07179	40	Emerging	194	Python
9	wtbates99/tabletalk tabeltalk is a declarative language for seamless interaction with your...	39	Emerging	2	Python
10	MysterionRise/forgetest Different demos of semantic parser models, plays related to different...	36	Emerging	2	Rust
11	Chirayu-Tripathi/nl2query A framework for converting natural language text inputs to corresponding...	36	Emerging	92	Python
12	vasugr/Natural-Language-To-SPARQL Translate a query in natural language to SPARQL query with an interactive...	31	Emerging	24	Jupyter Notebook
13	mcxiaoxiao/QDA-SQL Efficiently creating diverse multi-turn Text-to-SQL training samples in just...	30	Emerging	14	Python
14	patw/Natralang Natural Language Query for MongoDB Atlas	28	Experimental	7	Python
15	raphael-sch/OverpassNL Natural Language to Overpass Query Language	27	Experimental	30	Python
16	nodef/extra-pg-english Converts English query to Informal/Format SQL SELECT.	24	Experimental	1	TypeScript
17	nghoanglongde/seq2seq-baseline-text2SQL The sequence-to-sequence model for testing evaluation methods in Text-to-SQL task	24	Experimental	3	Python
18	TharaneshA/nlsql Natural Language to SQL query generator using LLM. Converts plain English...	24	Experimental	1	Python
19	kholdrex/code_to_query Ask for data in plain English; get validated, parameterized SQL with guardrails.	23	Experimental	6	Ruby
20	masrimohammad/laravel-database-ask A laravel package that allows you to interact with your database using...	23	Experimental	2	PHP
21	rishiagrawal2609/NLtoMQL Natural language to MongoDB Query Language SLM (Finetuned)	22	Experimental	—	Python
22	nreco/nlquery Parser for end-user search-like queries and rule-based named entity...	22	Experimental	7	C#
23	Tegare/sql-parser-demo 🔍 Explore robust SQL parsing with error tracking and zero-copy techniques in...	22	Experimental	—	Rust
24	ravishan16/converSQL Transform natural language questions into production-ready SQL with...	22	Experimental	3	Python
25	chigwell/tailwind-sql A new package that allows users to write SQL queries using a simplified,...	21	Experimental	3	Python
26	juergen-kc/OsqueryNLI Natural Language Interface for Osquery - Ask questions about your Mac in...	20	Experimental	1	Swift
27	alisary123/rookie-nl2sql Built on LangGraph, this enterprise-grade NL2SQL system supports multiple...	20	Experimental	1	Python
28	suhail1060/nl-query-system AI-powered Natural Language to SQL Query System built with Next.js, Node.js,...	20	Experimental	1	TypeScript
29	om-gupta-30/Text-to-SQL Natural language to SQL query converter powered by LLMs	19	Experimental	—	Python
30	Z0shua/omop-query-assistant-webapp OMOP CDM query assistant	19	Experimental	—	TypeScript
31	jacobobb/natural-SQL-query Transform natural language questions into SQL queries instantly. Supports...	19	Experimental	—	Python
32	bolin8017/intelligence-query-gateway Intelligent query router that classifies requests by complexity.	19	Experimental	—	Python
33	SandaruRF/AI-Assisted-Graph-Generation 🌐 Natural Language to Visualization Platform powered by Multi-Agent AI.	18	Experimental	4	Jupyter Notebook
34	JACOBIN-SCTCS/NLTODB Source Code for the project Natural Language Interface to Database with Data...	18	Experimental	6	Jupyter Notebook
35	nof1eld/text-to-SQL A demonstration of converting natural language to an SQL query using an LLM	17	Experimental	3	Python
36	BryanTheLai/cogniquery CogniQuery is a Python-powered AI natural language query engine for...	16	Experimental	1	Python
37	buttaRahul/Query-Assist An NLP model which can convert natural language verbal specifications into...	16	Experimental	3	Jupyter Notebook
38	cbonoz/tiger2020 Tiger NLP - Generate GSQL from human sentences	16	Experimental	3	JavaScript
39	AbhayShinde16325/nlp-mongodb-interface A full-stack Natural Language Interface for MongoDB that translates plain...	16	Experimental	—	TypeScript
40	SatyamG3001/Text-to-Sql An NLP based project is done to convert Natural Language Query to SQL Query...	15	Experimental	1	Jupyter Notebook
41	suyash1397/PROMPTQL Repository for initial POC NLP based SQL adapter using LLM.	15	Experimental	10	Python
42	dmeldrum6/CSV-NLQ-Tool Web-based tool that allows you to upload CSV files and query them using...	15	Experimental	—	HTML
43	niklaswretblad/text-to-SQL-master-thesis Code for the master's thesis "Optimizing text-to-SQL generation in large...	14	Experimental	7	Jupyter Notebook
44	cesar39299/Northwind_AI_Web_Assistant Natural language to SQL engine with AI-driven query planning and...	14	Experimental	—	JavaScript
45	Amama-Fatima/detective-quill A story management platform for detective crime fiction writers	14	Experimental	—	TypeScript
46	Thisisakr47/NL2SQL Natural Language to SQL Query	14	Experimental	1	Jupyter Notebook
47	tnickster/ai-analyst-agent Ask questions about your business data in plain English, Get automatic SQL...	12	Experimental	1	Python
48	Hazem-Soliman-dev/Insight-Agent AI-powered business intelligence — upload CSV, ask questions in English, get...	12	Experimental	1	TypeScript
49	tokligence/LocalSQLAgent 🚀 Local Text-to-SQL agent system powered by Ollama. 75%+ accuracy with 7B...	12	Experimental	1	Python
50	dataaispark-spec/PiRhoAI PiRhoAI: Transform your business data into actionable insights with...	12	Experimental	1	Python
51	Hazem-Soliman-dev/InsightAgent-Backend AI-powered NestJS API that transforms CSV files into queryable databases...	11	Experimental	—	TypeScript
52	beyzahiz/NLP_to_SQL Turkish Natural Language Interface to Database (NLIDB). A rule-based system...	11	Experimental	—	Python
53	ALbum3270/text-sql Two-stage LLM-based Text-to-SQL framework with schema retrieval, SQL...	11	Experimental	—	Python
54	DevWaqarAhmad/NL-to-SQL An NLP-powered tool that uses Gemini 1.5 Flash to convert natural language...	11	Experimental	—	Python
55	aniketbhoy/Text-to-SQL An AI-powered application that allows users to query a SQLite database using...	11	Experimental	—	Python
56	Matrixxboy/QueryCrafter QueryCrafter intelligently translates natural language into accurate SQL...	11	Experimental	—	TypeScript
57	DivyaJagarlapoodi/data-analysis-agent Natural language → SQL agent using Claude API with tool use and self-correction	11	Experimental	—	Python
58	snoop2head/EHRSQL Competition Code for "Reliable Text-to-SQL on Electronic Health Records" -...	11	Experimental	2	Jupyter Notebook
59	muhammadnavas/AI_Schema_Selector AI Schema Selector converts natural language queries into SQL for SQLite...	11	Experimental	6	Python
60	rahulbohra57/chat2sql Ask questions about your PostgreSQL database in plain English. Powered by...	11	Experimental	—	TypeScript
61	slamby/slamby-insight Cross-platform (electron based) integrated data management tool, dedicated...	10	Experimental	1	TypeScript
62	FlorisAlexandrou/MercuryNLQS Mercury NLQS (Natural Language Query System)	10	Experimental	1	TypeScript
63	laavanjan/Conversational-SQL-Agent Generative AI project with SQL DB, Langchain SQL toolkit and Agent type	10	Experimental	1	Python

Comparisons in this category

ln2sql and nlsql (62 vs 24) ln2sql and Text-to-SQL (62 vs 19)