Top 9 C# Finance Projects

Lean

25 8,633 9.7 C#

Lean Algorithmic Trading Engine by QuantConnect (Python, C#)

Project mention: What Happened to Quantconnect? | /r/algotrading | 2023-05-18

6.) You cant maximize position size of spread options strategies, LEAN always assumes naked margin first and ON THE NEXT DATA FRAME - you get your reg-t margin for spreads. https://github.com/QuantConnect/Lean/issues/5693 We're running into 2 years of this issue being reported.
StockSharp

134 6,596 9.8 C#

Algorithmic trading and quantitative trading open source platform to develop trading robots (stock markets, forex, crypto, bitcoins, and options).

Project mention: StockSharp: NEW Derivatives and Hedging - star count:6089.0 | /r/algoprojects | 2023-11-10
WorkOS

workos.com
sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
Denaro

10 521 9.8 C#

Manage your personal finances

Project mention: Ask HN: A Finance Tracker | news.ycombinator.com | 2023-07-20

I haven't tried it, but maybe this is a good middle-ground? https://github.com/NickvisionApps/Denaro
QLNet

15 369 6.6 C#

QLNet C# Library

Project mention: QLNet: NEW Derivatives and Hedging - star count:355.0 | /r/algoprojects | 2023-12-10
Canvas

1 17 7.9 C#

Generic cross-platform real-time charts for Web apps with built-in pan and zoom support. (by Indemos)
Terminal

1 15 5.2 C#

All-in-one. Trading terminal with generic gateway implementation, tick backtester, charting, and performance evaluator for trading strategies. (by Indemos)
Gnomeshade

2 14 9.5 C#

Self-hosted personal finance tracker

Project mention: Firefly III: A free and open source personal finance manager | news.ycombinator.com | 2024-02-15

The UI is definitely not as polished as the other alternatives listed, but I made my own because at the time Firefly was not exactly right for me - https://github.com/VMelnalksnis/Gnomeshade. It can automatically import transactions using Nordigen, or you can upload a file exported from your bank if you don't want to use a third party service. It also supports multi currency transactions, and sharing accounts between multiple accounts.
InfluxDB

www.influxdata.com
sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Estimator

1 9 4.4 C#

Statistics and performance metrics in trading, CAGR, Sharpe, MAE, MFE, and others. (by Indemos)
finnhub-dotnet

1 3 0.0 C#

A .NET client for Finnhub API

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). The latest post mention was on 2024-02-15.