Best Algorithmic Trading Software -

| Framework | Language | Best For | Latency | Backtesting Quality | |-----------|----------|----------|---------|---------------------| | | Python | Strategy prototyping | N/A (sim only) | Good (event-driven) | | Zipline | Python | Event-driven backtesting | N/A | Moderate | | Lean (QuantConnect) | C#/Python | Full production algos | ~100ms | Excellent | | Freqtrade | Python | Crypto-only bot | Real-time ~1s | Good (crypto ticks) | | Blankly | Python | Multi-exchange crypto/equities | ~500ms | Moderate |