
Liveblocks
Tip Tap
Ably
v0.dev
Next.js
Miro
Taskade
Add powerful real-time and multiplayer features to your product with Velt's easy-to-use collaboration SDK. Integrate comments, live cursors, and more in minutes.

TradingView
Backtrader
QuantRocket
CloudQuant
Quantopian
MetaTrader5
Quantreex
QuantConnect provides a free algorithm backtesting tool and financial data so engineers can design algorithmic trading strategies. We are democratizing algorithm trading technology to empower investors.
Which is more popular?
Velt might be a bit more popular than QuantConnect. We know about 12 links to it since March 2021 and only 9 links to QuantConnect.
Website, pricing, platforms and company facts side by side.
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QuantConnect is a quantitative trading platform where you can develop algorithms in Python. It’s gaining popularity for its collaborative environment and large data library that supports backtesting and live trading....
Recommendations tracked on public social media and blogs since March 2021.


We started with a simple canvas and turned it into a fully collaborative whiteboard. Along the way, we added real-time cursors, presence, comments, notifications, and even voice huddles using Velt. Instead of building sync logic and... - Source: dev.to / 5 months ago
Velt is a collaboration SDK that lets you add real-time features like comments, presence, and notifications directly into your product. Instead of building backend infrastructure for multi-user sync, conflict resolution, and event... - Source: dev.to / 5 months ago
Velt lets you skip all of that. You plug it into your app and get comments, presence, notifications, and shared context immediately. You don’t worry about syncing users or handling concurrent updates. Your code stays focused on the UI... - Source: dev.to / 5 months ago
I use https://quantconnect.com/ to backtest new algos and discover new algos. They support C# and python. Source: almost 4 years ago
Use quantconnect.com, their API forces you to use OOP there so it's a good practice. Source: about 4 years ago
For stocks and crypto: QuantConnect and Backtrader For options: MesoSim and OptionNetExplorer. Source: over 4 years ago
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The realtime platform that just works. We power more WebSocket connections than any other pub/sub platform, serving over 2 billion devices monthly.
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QuantRocket is an all-in-one end-to-end data trading platform and is securing your connection to other trading applications that will be the key to query data and submit orders.
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