FreeSql, is the ORM in .NET Core, .NET Framework and Xamarin. It supports MySQL, PostgreSQL, SqlServer, Oracle, Sqlite, Odbc, 达梦, And MsAccess.

Programming language: C#
License: MIT License
Tags: Linq     ORM     Database     SqlServer     MySQL     SQLite     PostgreSQL    
Latest version: v2.0.105

FreeSql alternatives and similar packages

Based on the "ORM" category.
Alternatively, view FreeSql alternatives based on common mentions on social networks and blogs.

Do you think we are missing an alternative of FreeSql or a related project?

Add another 'ORM' Package


🦄 FreeSql

FreeSql is a powerful O/RM component, supports .NET Core 2.1+, .NET Framework 4.0+, and Xamarin.

Member project of .NET Core Community nuget stats GitHub license

English |

  • 🛠 Support CodeFirst data migration.
  • 💻 Support DbFirst import entity class from database, or use Generation Tool.
  • ⛳ Support advanced type mapping, such as PostgreSQL array type, etc.
  • 🌲 Support expression functions, and customizable analysis.
  • 🏁 Support one-to-many and many-to-many navigation properties, include and lazy loading.
  • 📃 Support Read/Write separation, Splitting Table/Database, Global filters, Optimistic and pessimistic locker.
  • 🌳 Support MySql/SqlServer/PostgreSQL/Oracle/Sqlite/Firebird/达梦/人大金仓/神舟通用/翰高/华为GaussDB/Access, etc.

QQ Groups:4336577(full)、8578575(full)52508226(available)

📚 Documentation

Get started  \
Expression  \
Repository  \
Read/Write  \

Please select a development mode:

Some open source projects that use FreeSql:

🚀 Quick start

dotnet add package FreeSql.Provider.Sqlite

static IFreeSql fsql = new FreeSql.FreeSqlBuilder()
  .UseConnectionString(FreeSql.DataType.Sqlite, @"Data Source=document.db")
  .UseAutoSyncStructure(true) //automatically synchronize the entity structure to the database
  .Build(); //be sure to define as singleton mode

class Song {
  [Column(IsIdentity = true)]
  public int Id { get; set; }
  public string Title { get; set; }
  public string Url { get; set; }
  public DateTime CreateTime { get; set; }

  public ICollection<Tag> Tags { get; set; }
class Song_tag {
  public int Song_id { get; set; }
  public Song Song { get; set; }

  public int Tag_id { get; set; }
  public Tag Tag { get; set; }
class Tag {
  [Column(IsIdentity = true)]
  public int Id { get; set; }
  public string Name { get; set; }

  public int? Parent_id { get; set; }
  public Tag Parent { get; set; }

  public ICollection<Song> Songs { get; set; }
  public ICollection<Tag> Tags { get; set; }

🔎 Query

fsql.Select<Tag>().Where(a => a.Parent.Parent.Name == "English").ToList();

fsql.Select<Tag>().IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name == "foo")).ToList();

  .IncludeMany(a => a.Tags, then => then.Where(sub => sub.Name == "foo"))
  .Where(s => s.Tags.AsSelect().Any(t => t.Name == "Chinese"))

  .Where(a => a.IsDelete == 0)
  .WhereIf(keyword != null, a => a.UserName.Contains(keyword))
  .WhereIf(role_id > 0, a => a.RoleId == role_id)
  .Where(a => a.Nodes.AsSelect().Any(t => t.Parent.Id == t.UserId))
  .Count(out var total)
  .Page(page, size)
  .OrderByDescending(a => a.Id)


fsql.Select<Song>().Where(a => new[] { 1, 2, 3 }.Contains(a.Id)).ToList();

fsql.Select<Song>().Where(a => a.CreateTime.Date == DateTime.Today).ToList();

fsql.Select<Song>().OrderBy(a => Guid.NewGuid()).Limit(10).ToList();


🚁 Repository

dotnet add package FreeSql.Repository

public void Add() {
  var repo = ioc.GetService<BaseRepository<Tag>>();
  repo.DbContextOptions.EnableAddOrUpdateNavigateList = true;

  var item = new Tag {
    Name = "testaddsublist",
    Tags = new[] {
      new Tag { Name = "sub1" },
      new Tag { Name = "sub2" }

Reference: Use TransactionalAttribute and UnitOfWorkManager in ASP.NET Core to Achieve the Multiple Transaction Propagation.

💪 Performance

FreeSql Query & Dapper Query

Elapsed: 00:00:00.6733199; Query Entity Counts: 131072; ORM: Dapper

Elapsed: 00:00:00.4554230; Query Tuple Counts: 131072; ORM: Dapper

Elapsed: 00:00:00.6846146; Query Dynamic Counts: 131072; ORM: Dapper

Elapsed: 00:00:00.6818111; Query Entity Counts: 131072; ORM: FreeSql*

Elapsed: 00:00:00.6060042; Query Tuple Counts: 131072; ORM: FreeSql*

Elapsed: 00:00:00.4211323; Query ToList<Tuple> Counts: 131072; ORM: FreeSql*

Elapsed: 00:00:01.0236285; Query Dynamic Counts: 131072; ORM: FreeSql*

FreeSql ToList & Dapper Query

Elapsed: 00:00:00.6707125; ToList Entity Counts: 131072; ORM: FreeSql*

Elapsed: 00:00:00.6495301; Query Entity Counts: 131072; ORM: Dapper


👯 Contributors

And other friends who made important suggestions for this project, they include:

systemhejiyong, LambertW, mypeng1985, stulzq, movingsam, ALer-R, zouql, 深圳|凉茶, densen2014, LiaoLiaoWuJu, hd2y, tky753, feijie999, constantine, JohnZhou2020, mafeng8, etc.

💕 Donation

L*y 58元、花花 88元、麦兜很乖 50元、网络来者 2000元、John 99.99元、alex 666元、bacongao 36元、无名 100元、Eternity 188元、无名 10元、⌒.Helper~..oO 66元、习惯与被习惯 100元、无名 100元、蔡易喋 88.88元、中讯科技 1000元、Good Good Work 24元、炽焰 6.6元、Nothing 100元、兰州天擎赵 500元、哈利路亚 300元、 无名 100元、蛰伏 99.99元、TCYM 66.66元、MOTA 5元、LDZXG 30元、Near 30元、建爽 66元、无名 200元、LambertWu 100元、无名 18.88元、乌龙 50元、无名 100元、陳怼怼 66.66元、陳怼怼 66.66元、丁淮 100元、李伟坚-Excel催化剂 100元、白狐 6.66元、她微笑的脸y 30元、Eternity²º²¹ 588元、夜归柴门 88元、蔡易喋 666.66元、 礼 10元、litrpa 88元、Alax CHOW 200元、Daily 66元、k*t 66元、蓝 100元、菜 10元、生命如歌 1000元

Thank you for your donation

🗄 License


*Note that all licence references and agreements mentioned in the FreeSql README section above are relevant to that project's source code only.