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Top 23 C# Postgresql Projects
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SqlSugar
.Net aot ORM SqlServer ORM Mongodb ORM MySql 瀚高 Postgresql ORM DB2 Hana 高斯 Duckdb C# VB.NET Sqlite ORM Oracle ORM Mysql Orm 虚谷数据库 达梦 ORM 人大金仓 ORM 神通ORM C# ORM , C# ORM .NET ORM NET9 ORM .NET8 ORM ClickHouse ORM QuestDb ,TDengine ORM,OceanBase ORM,GaussDB ORM,Tidb ORM Object/Relational Mapping
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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FreeSql
.NET aot orm, VB.NET/C# orm, Mysql/PostgreSQL/SqlServer/Oracle orm, Sqlite/Firebird/Clickhouse/DuckDB orm, 达梦/金仓/虚谷/翰高/高斯 orm, 神通 orm, 南大通用 orm, 国产 orm, TDengine orm, QuestDB orm, MsAccess orm. (by dotnetcore)
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EFCore.BulkExtensions
Entity Framework EF Core efcore Bulk Batch Extensions with BulkCopy in .Net for Insert Update Delete Read (CRUD), Truncate and SaveChanges operations on SQL Server, PostgreSQL, MySQL, SQLite, Oracle
Project mention: ⚔️ The Mighty MERGE: Using SQL Merge Statements Safely with EF Core | dev.to | 2025-07-25Libraries like EFCore.BulkExtensions simulate efficient MERGE behavior:
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NpgsqlConnection source
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SqlKata Query Builder
SQL query builder, written in c#, helps you build complex queries easily, supports SqlServer, MySql, PostgreSql, Oracle, Sqlite and Firebird
It seems to me a big part of the problem is that the "query builder" in TFA is little more than a string builder. In the .Net world I've used SqlKata [0] and been very pleased with it. It allows you to easily dynamically build and compose queries.
0: https://sqlkata.com/
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Sevalla
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EntityFramework.Exceptions
Strongly typed exceptions for Entity Framework Core. Supports SQLServer, PostgreSQL, SQLite, Oracle and MySql.
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SmartSql
SmartSql = MyBatis in C# + .NET Core+ Cache(Memory | Redis) + R/W Splitting + PropertyChangedTrack +Dynamic Repository + InvokeSync + Diagnostics
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WorkflowEngine
WorkflowEngine.NET - component that adds workflow in your application. It can be fully integrated into your application, or be in the form of a specific service (such as a web service).
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yuniql
Free and open source schema versioning and database migration made natively with .NET/6. NEW THIS MAY 2022! v1.3.15 released!
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CSVLint
CSV Lint plug-in for Notepad++ for syntax highlighting, csv validation, automatic column and datatype detecting, fixed width datasets, change datetime format, decimal separator, sort data, count unique values, convert to xml, json, sql etc. A plugin for data cleaning and working with messy data files.
Project mention: CSV Lint update (Notepad++) text data syntax highlighting and quality validation | news.ycombinator.com | 2025-04-30 -
Egroo
An open-source, privacy-focused social platform empowering users to connect securely and control their data.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C# Postgresql discussion
C# Postgresql related posts
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Show HN: PgHook – Docker image that streams PostgreSQL row changes to webhooks
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Top .NET NuGet Packages for PostgreSQL Database
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CISA boss: Makers of insecure software are the real cyber villains
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Azure PostgreSQL, Entra ID Authentication and .NET
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Server-side cache for YugabyteDB sequences to workaround the Nspgl `DISCARD SEQUENCES`
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With .NET 8 Native AOT will we get small single binary for applications like Go/Rust?
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Upserting complex data models from an API into EF Core entities
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A note from our sponsor - Sevalla
sevalla.com | 31 Aug 2025
Index
What are some of the best open-source Postgresql projects in C#? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | SqlSugar | 5,662 |
| 2 | FreeSql | 4,289 |
| 3 | EFCore.BulkExtensions | 3,875 |
| 4 | Npgsql | 3,526 |
| 5 | SqlKata Query Builder | 3,270 |
| 6 | LINQ to DB | 3,144 |
| 7 | coolstore-microservices | 2,503 |
| 8 | efcore.pg | 1,681 |
| 9 | EntityFramework.Exceptions | 1,652 |
| 10 | SmartSql | 1,120 |
| 11 | WorkflowEngine | 963 |
| 12 | Evolve | 872 |
| 13 | sqlnotebook | 612 |
| 14 | Dapper.FastCRUD | 518 |
| 15 | yuniql | 422 |
| 16 | LINQPad.QueryPlanVisualizer | 413 |
| 17 | CSVLint | 207 |
| 18 | Egroo | 170 |
| 19 | Venflow | 167 |
| 20 | pldotnet | 152 |
| 21 | postgrest-csharp | 151 |
| 22 | DatabaseManager | 138 |
| 23 | csharp-datatables-parser | 129 |
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