Here are mods which I tested to be compatible with District Styles Plus:

81 Tiles 2 TESTING
Achieve It!
ACME 0.5.1
Advanced Building Level Control 1.2
Advanced Stop Selection Revisited 2.0
Advanced Vehicle Options
Better Road Toolbar
BOB, the Tree and Prop Replacer 0.9.6
Broken Nodes Detector
Building Spawn Points 1.3
Check Road Access for Growables
Compatibility Report
Control It!
CSL Map View
Custom Effect Loader
Customize It Extended
Daylight Classic
Dynamic Resolution (Fixed for 1.9!)
Environment Changer (+ Improved Theme Selection )
Extended Managers Library 1.0.3
EYM: Enlighten Your Mouse 1.1.3
Find It! 2
Fog Controller
Forest Brush v1.3
FPS Booster
Harmony 2.2-0 (Mod Dependency) [Plazas & Promenades compatible]
Hide TMPE crosswalks V3.2 [stable]
Info View Button Enabler
Instant Return To Desktop
Intersection Marking Tool 1.10.2
Lifecycle Rebalance Revisited 1.6.4
Loading Order Mod V1.10.1-Beta
Loading Screen Mod Revisited 0.6.1
Measure It!
More CitizenUnits 1.1
More Employment Information
More PathUnits 1.0
Move It
Network Anarchy Beta
Network Multitool 1.3.3
Network Skins (Airports DLC compatible)
Network Tiling
No Radioactive Desert And More!
Node Controller Renewal 3.3.2
Parkify
Parking Lot Snapping
Patch Loader Mod
Picker
Play It!
Ploppable Asphalt +
Ploppable Asphalt + [Loading time Fix]
Ploppable RICO Revisited 2.5
Precision Engineering
Prop Anarchy temporary fix
Realistic Population 2 2.1
Repaint 1.5
Roundabout Builder - temp fix
Show It!
Sort Mod Settings
Theme Decals
Theme Mixer 2
TM:PE 11.7.0.1 TEST
Toggle It!
ToggleableWhiteness with Tours fixed
Tram Station Track
Transfer Manager CE v1.9.23
Transit Vehicle Spawn Delay 1.2
Tree Anarchy 1.3.5
UI Resolution 1.2
UnifiedUI (UUI) 2.2 [Stable]
Watch It! Revisited
Yet Another Toolbar
You're Fired
Zoning Adjuster 1.5.5


Please, feel free to add another ones if you have tested them. Thanks!