There is no limitation to the number of indicators(instances) you can run at the same time in cTrader.

Also no limitation to the number of cBots(program trading) you can run.

cTrader/cAlgo are RAM consuming softwares, so number of instances and cBots may affect the execution speed and frequency.

You can find the list of the instances as below.

cTrader technical indicators

 

1

XMXM

4.9 rating based on 1,168 ratings
4.9/5 1168
2

DerivDeriv

4.9 rating based on 144 ratings
4.9/5 144
3

FBSFBS

3.6 rating based on 99 ratings
3.6/5 99
4

LMFXLMFX

4.7 rating based on 92 ratings
4.7/5 92
5

EXNESSEXNESS

4.9 rating based on 145 ratings
4.9/5 145
1

PrimeBitPrimeBit

3.9 rating based on 7,130 ratings
3.9/5 7130
2

BinanceBinance

4.3 rating based on 7,662 ratings
4.3/5 7662
3

bybitbybit

4.2 rating based on 3,323 ratings
4.2/5 3323
4

XBTFXXBTFX

1.9 rating based on 4,449 ratings
1.9/5 4449
5

BitMEXBitMEX

3.8 rating based on 6,911 ratings
3.8/5 6911