1.MessagePack-CSharp / MessagePack-CSharp
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]
+25 stars
from 6,784 · score 3.26
Trending repositories
Ranked by Attention Score: stars gained over the last 30 complete days
16 repositories by Attention Score · Oct 6, 2026 – Nov 4, 2026 (UTC)
2.JamesNK / Newtonsoft.Json
Json.NET is a popular high-performance JSON framework for .NET
- json
- c-sharp
+13 stars
from 11,305 · score 2.64
+11 stars
from 2,863 · score 2.48
+9 stars
from 5,207 · score 2.30
5.jstedfast / MimeKit
A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.
+7 stars
from 2,003 · score 2.08
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
+7 stars
from 1,475 · score 2.08
7.protobuf-net / protobuf-net
Protocol Buffers library for idiomatic .NET
+6 stars
from 4,970 · score 1.95
8.FirelyTeam / firely-net-sdk
The official Firely .NET SDK for HL7 FHIR
- fhir
- dotnet-core
- dotnet
- parsing
- serialization
- validation
- +8 more
+5 stars
from 936 · score 1.79
9.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
+2 stars
from 688 · score 1.10
10.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
11.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
+2 stars
from 373 · score 1.10
12.neuecc / ZeroFormatterArchived
Infinitely Fast Deserializer for .NET, .NET Core and Unity.
- c-sharp
- unity
- serializer
- binaryformat
+1 stars
from 2,423 · score 0.69
13.neuecc / Utf8JsonArchived
Definitely Fastest and Zero Allocation JSON Serializer for C#(NET, .NET Core, Unity, Xamarin).
+1 stars
from 2,379 · score 0.69
14.jamescourtney / FlatSharp
Fast, idiomatic C# implementation of Flatbuffers
- serialization
- flatbuffers
- csharp
- deserialization
- serializer
- flatbuffer
- +4 more
+1 stars
from 572 · score 0.69
15.TinyCsvParser / TinyCsvParser
Easy to use, easy to extend and high-performance library for CSV parsing with .NET
- csv-parser
+1 stars
from 408 · score 0.69
16.leandromoh / RecordParser
Zero Allocation Writer/Reader Parser for .NET Core
- flatfile
- csv
- tsv
- delimited
- file
- dotnet-core
- +8 more
+1 stars
from 324 · score 0.69