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

4.8 rating based on 1,221 ratings
4.8/5 1221
2

DerivDeriv

4.3 rating based on 178 ratings
4.3/5 178
3

IronFXIronFX

4.8 rating based on 241 ratings
4.8/5 241
4

EXNESSEXNESS

3.9 rating based on 199 ratings
3.9/5 199
5

FBSFBS

2.5 rating based on 175 ratings
2.5/5 175
1

bybitbybit

4.2 rating based on 3,330 ratings
4.2/5 3330
2

BinanceBinance

4.3 rating based on 7,672 ratings
4.3/5 7672
3

BitgetBitget

4.3 rating based on 42 ratings
4.3/5 42
4

PrimeBitPrimeBit

3.9 rating based on 7,148 ratings
3.9/5 7148
5

BitMEXBitMEX

3.8 rating based on 6,919 ratings
3.8/5 6919