Open-source alternatives to Squirrel

Sea-ORM is an asynchronous SQL object-relational mapper and database toolkit for mapping relational tables to strongly typed objects. It provides a relational database mapper for performing CRUD operations across MySQL, PostgreSQL, and SQLite, and includes a programmatic dynamic query builder for constructing complex SQL statements. The project distinguishes itself by providing a GraphQL schema generator that transforms database entities into typed schemas with built-in pagination and filters. It also features a dedicated database migration tool for defining and applying versioned schema chan

Bun is a type-safe object relational mapper for Go that prioritizes SQL-first query construction and result mapping. It functions as a programmable SQL query builder, a database connection manager, and a tool for mapping database tables to Go structs. The project distinguishes itself through a multi-dialect SQL support system, allowing a single codebase to interact with different database engines via a consistent interface. It includes a built-in database observability tool for query interception, distributed tracing, and logging, as well as a schema migration tool for versioning structural c

SQLAlchemy is a comprehensive Python SQL toolkit and object-relational mapper that provides a full suite of tools for interacting with relational databases. It serves as a foundational layer for database connectivity, offering both a high-level object-oriented interface for data persistence and a programmatic SQL expression language for constructing complex, dialect-agnostic queries. The project distinguishes itself through its sophisticated unit of work persistence, which coordinates atomic transactions and tracks object state changes to minimize redundant database operations. It provides a

dbt-core is a command-line framework for transforming data within a warehouse using modular SQL and version control. It functions as a data transformation engine that enables users to define data structures and business logic through declarative configuration files, which the system then compiles into executable code. By managing complex data dependencies through a directed acyclic graph, it ensures that transformation tasks execute in the correct order while maintaining a manifest-driven state to track lineage and execution history. The project distinguishes itself through an adapter-based d

PRQL is a functional, modular data transformation language that serves as a compiler for relational data pipelines. It allows developers to write expressive, pipelined queries that are translated into standard SQL dialects. By abstracting complex data manipulation into a readable, sequential syntax, the project enables the construction of maintainable workflows that remain independent of specific database engines. The language distinguishes itself through a robust compilation infrastructure that performs type validation and relational algebra analysis before generating target-specific code. I

sqlc is a SQL compiler and code generator that creates type-safe database client code from raw SQL queries. It transforms SQL statements into typed definitions and functions, eliminating the need for manual row mapping between database results and application structures. The tool ensures compile-time safety by validating SQL queries against the database schema before the application is run. This workflow integrates the database schema directly into the application code, deriving types from the underlying SQL definitions to prevent runtime errors. The system utilizes AST-based query analysis

xo is a tool for generating type-safe Go models and query execution code from SQL database schemas and queries. It functions as a multi-dialect SQL tool supporting PostgreSQL, MySQL, SQLite, Oracle, and Microsoft SQL Server to produce idiomatic source code. The project uses a template-based generation system, allowing the structure and logic of the generated database source code to be defined through customizable text templates. It also includes a database schema visualizer that analyzes table relationships and definitions to create visual diagrams and structured documentation. The tool's ca

Dapper is a lightweight object-relational mapper for .NET that functions as a high-performance data access library. It operates by extending standard database connection interfaces, allowing developers to execute raw SQL queries while automating the mapping of database results to strongly-typed objects. The library distinguishes itself through its use of runtime code generation, which creates high-performance instructions to map database rows to object properties with minimal overhead. It provides flexible data retrieval options, supporting both memory-buffered loading for speed and row-by-ro

Dolt is a relational database engine that integrates version control directly into the database management layer. It functions as a version-controlled SQL database that tracks every row and schema change using a commit-based history, allowing users to branch, merge, and audit data modifications. By implementing a wire-protocol-compatible server, the system enables standard SQL clients and tools to interact with versioned data as if they were connecting to a traditional relational database. The platform distinguishes itself by applying repository-style workflows to data management, including s

pgweb is a web-based database client and graphical administration tool for PostgreSQL. It provides a browser-based interface for executing SQL queries, inspecting schemas, and managing database objects. The tool includes a read-only mode that prevents destructive operations by blocking specific SQL keywords. It supports secure remote access to private instances through native SSH tunneling and encrypted database connections. The application covers a broad range of management capabilities, including multi-environment session management, database structure inspection, and the export of query r

sqlc is a code generation tool that compiles raw SQL queries into type-safe application code. By analyzing SQL statements against database schema definitions during the build process, it eliminates the need for manual data mapping and prevents runtime type errors. The project functions as a schema-aware generator that translates database column types into native language primitives. It distinguishes itself through a modular, plugin-based architecture that allows for the extension of the generation pipeline to support diverse programming languages and custom frameworks beyond its default capab

xorm is a relational mapper and object-relational mapping tool for Go. It translates Go structures into SQL queries and maps database rows back into native objects, providing a multi-dialect database driver that supports MySQL, PostgreSQL, SQLite, Oracle, SQL Server, and TiDB. The project features a read-write splitting manager that routes modification requests to a primary database and read requests to replicas. It includes a database schema synchronizer to automatically align table structures and indexes with application data models, as well as a fluent SQL query builder for constructing co

igor is an abstraction layer for PostgreSQL with a gorm like syntax.

Go database query builder library for PostgreSQL

SQL builder and query library for golang

Fluent SQL generation for golang

A Go (golang) package that enhances the standard database/sql package by providing powerful data retrieval methods as well as DB-agnostic query building capabilities.

Knex is a multi-dialect database client that provides a programmatic SQL query builder, a connection pool manager, and a versioned schema migration tool. It enables programmatic database interaction across multiple SQL engines, including PostgreSQL, MySQL, SQLite3, SQL Server, CockroachDB, and Oracle. The project distinguishes itself through a fluent interface for constructing complex SQL statements and a dedicated framework for database seeding. It utilizes specialized dialects to translate generic query representations into database-specific syntax while maintaining a consistent API across

Knex is a programmatic SQL query builder for Node.js applications. It provides a unified interface for generating database statements and managing structural versioning through a schema migration tool. The project features a multi-dialect database layer that translates programmatic queries into specific syntax for relational databases including PostgreSQL, MySQL, SQLite3, and MSSQL. This allows for writing database logic that remains compatible across different systems. The system includes infrastructure for managing reusable database connection pools and handling relational transactions to

Peewee is a SQL object-relational mapper and query builder that provides an object-oriented interface for mapping application classes to relational database tables. It functions as a relational database toolkit for managing schemas, executing migrations, and handling complex table relationships. The project distinguishes itself by providing an asyncio database driver for non-blocking database operations, ensuring event loop responsiveness. It also supports semi-structured data storage, allowing the storage and querying of flexible JSON documents within traditional relational database systems.

CodeIgniter is a PHP web framework built on the Model-View-Controller pattern, designed for building full-stack web applications. It provides a lightweight toolkit with minimal configuration, organizing application logic into controllers, models, and views for clean separation of concerns. The framework includes a fluent query builder for constructing SQL statements programmatically, PSR-4 autoloading with namespace mapping, and a service-based dependency injection container for managing shared class instances. The framework distinguishes itself through its comprehensive set of built-in tools

sqlboiler is a database-first ORM generator for Go that analyzes an existing database schema to produce strongly typed structures and query helpers. It functions as a schema-driven code generator, transforming database tables and relationships into executable Go source code. The project distinguishes itself through a type-safe query builder that uses chainable modifiers to construct SQL statements, eliminating the need for raw string concatenation. It utilizes customizable text templates to generate source code, allowing for the aliasing of schema entities and the creation of custom templates

Medoo is a lightweight PHP database abstraction layer and SQL query builder. It serves as a minimal database wrapper that provides a unified API to execute queries across multiple SQL engines, translating PHP method calls into specific database dialects. The project enables multi-dialect SQL interfacing, allowing a single codebase to interact with various backends including MySQL, MariaDB, PostgreSQL, SQLite, MSSQL, Oracle, and Sybase. It uses prepared statement parameterization to prevent injection attacks while maintaining a programmatic approach to constructing complex SQL statements. The

This project is a SQL database abstraction layer that provides a consistent object-oriented interface for interacting with multiple relational database systems. It includes a driver wrapper to standardize connections and result sets, a fluent query builder for constructing portable SQL statements, and a type mapper for converting database-specific data types into native application types and vice versa. The library enables programmatic schema management through a schema manager that can introspect database metadata, model structures as objects, and generate the SQL required to migrate between

linq2db is a type-safe object-relational mapper that translates LINQ expressions into optimized SQL queries for multiple database providers. It functions as a database mapper that links classes to tables and includes a SQL query builder and a command-line schema tool for generating data classes from existing databases. The project provides high-performance bulk data processing for inserting and loading large volumes of records via batch or binary copy methods. It also supports advanced SQL operations, including window functions, common table expressions for recursive hierarchical querying, an

Sequel is a relational database toolkit for Ruby that provides object-relational mapping, a fluent SQL query builder, and schema migration capabilities. It maps database tables to Ruby classes with support for associations, validations, lifecycle hooks, and eager loading, offering a comprehensive ORM layer for building data-centric applications. Sequel distinguishes itself through a plugin-based extension architecture that allows composable customization of models, databases, and datasets without relying on deep inheritance hierarchies. It includes a thread-safe connection pool with support f

This project is a database toolkit for Go that provides schema-to-object mapping, fluent query construction, and automated code generation. It functions as a framework for type-safe database access, enabling developers to interact with relational databases by generating models and interfaces directly from existing database schemas. The toolkit distinguishes itself through a workflow that parses hand-written SQL files to generate type-safe functions, allowing for the integration of custom SQL while maintaining consistent result mapping. It supports modular customization through a plugin-based