1.MessagePack-CSharp / MessagePack-CSharp
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]
+63 stars
from 6,746 · score 4.16
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
22 repositories by Attention Score · Aug 7, 2026 – Nov 4, 2026 (UTC)
2.JamesNK / Newtonsoft.Json
Json.NET is a popular high-performance JSON framework for .NET
- json
- c-sharp
+41 stars
from 11,277 · score 3.74
+32 stars
from 2,842 · score 3.50
4.protobuf-net / protobuf-net
Protocol Buffers library for idiomatic .NET
+25 stars
from 4,951 · score 3.26
+24 stars
from 5,192 · score 3.22
6.nietras / Sep
One of the World's Fastest .NET CSV Parsers. Modern, minimal, fast, zero allocation, reading and writing of separated values (`csv`, `tsv` etc.). Cross-platform, trimmable and AOT/NativeAOT compatible with blazing fast SIMD vectorized parsing.
- csharp
- csv
- csv-parser
- csv-reader
- csv-writer
- dotnet
- +2 more
+21 stars
from 1,461 · score 3.09
7.jstedfast / MimeKit
A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.
+17 stars
from 1,993 · score 2.89
8.FirelyTeam / firely-net-sdk
The official Firely .NET SDK for HL7 FHIR
- fhir
- dotnet-core
- dotnet
- parsing
- serialization
- validation
- +8 more
+12 stars
from 929 · score 2.56
9.lofcz / FastCloner
The fastest deep cloning library for .NET – zero-config, works out of the box.
- deep-clone
- deep-copy
- deepclone
- deepcopy
- duplication
- cloner
- +11 more
+10 stars
from 365 · score 2.40
10.RehanSaeed / Schema.NET
Schema.org objects turned into strongly typed C# POCO classes for use in .NET. All classes can be serialized into JSON/JSON-LD and XML, typically used to represent structured data in the head section of html page.
- schema
- schema-org
- dotnet
- c-sharp
- dotnet-core
- poco
- +4 more
+5 stars
from 685 · score 1.79
11.TinyCsvParser / TinyCsvParser
Easy to use, easy to extend and high-performance library for CSV parsing with .NET
- csv-parser
+5 stars
from 404 · score 1.79
12.jamescourtney / FlatSharp
Fast, idiomatic C# implementation of Flatbuffers
- serialization
- flatbuffers
- csharp
- deserialization
- serializer
- flatbuffer
- +4 more
+4 stars
from 569 · score 1.61
13.neuecc / Utf8JsonArchived
Definitely Fastest and Zero Allocation JSON Serializer for C#(NET, .NET Core, Unity, Xamarin).
+3 stars
from 2,377 · score 1.39
14.6bee / Remote.Linq
Simply LINQ your remote resources...
- linq-expressions
- arbitrary-linq-queries
- expression-trees
- entity
- entity-framework
- remote
- +3 more
+3 stars
from 356 · score 1.39
15.leandromoh / RecordParser
Zero Allocation Writer/Reader Parser for .NET Core
- flatfile
- csv
- tsv
- delimited
- file
- dotnet-core
- +8 more
+3 stars
from 322 · score 1.39
16.neuecc / ZeroFormatterArchived
Infinitely Fast Deserializer for .NET, .NET Core and Unity.
- c-sharp
- unity
- serializer
- binaryformat
+2 stars
from 2,422 · score 1.10
17.indice-co / EDI.Net
EDI Serializer/Deserializer. Supports EDIFact, X12 and TRADACOMS formats
- edi
- edifact
- x12
- serializer
- tradacoms
+2 stars
from 490 · score 1.10
18.ExtendedXmlSerializer / home
A configurable and eXtensible Xml serializer for .NET.
- xml
- serialization
- customization
- dotnet
- poco
- extensions
- +4 more
+2 stars
from 343 · score 1.10
19.akkadotnet / Hyperion
Polymorphic serialization for .NET
- serialization
- hyperion
- serializer
- dotnet
- dotnet-core
+2 stars
from 280 · score 1.10
20.msgpack / msgpack-cli
MessagePack implementation for Common Language Infrastructure / msgpack.org[C#]
- c-sharp
- messagepack
- msgpack
- serialization
+1 stars
from 858 · score 0.69
21.thomasgalliker / ObjectDumper
ObjectDumper is a utility which aims to serialize C# objects to string for debugging and logging purposes.
+1 stars
from 425 · score 0.69
+1 stars
from 175 · score 0.69