
Fluid Painter
by Mk3dLab
Fluid Painter is a Blender add-on that uses Geometry Nodes to paint fluids over any 3D surface with a curve. It ships with 30+ presets compatible with Eevee and Cycles.
by studioromanrec·VFX
Images © studioromanrec. Used for product review; image policy.
Muzzle Flash Fx Pro stands out for its baked, render-safe approach: because every flash and spark is committed to keyframes, the effect survives being handed off to a teammate, opened on a render farm, or run with the addon disabled.
Muzzle Flash Fx Pro turns weapon fire into a one-click job in Blender. Point the emitter's arrow in the firing direction and every shot becomes a single FIRE button, with no node setups or manual keyframing. Each shot produces a fully animated muzzle flash and bullet-impact sparks that land where the shot hits. Aim by hand, or lock the gun onto a moving target and let it track. It works in both Eevee and Cycles.
Every flash and spark is baked straight to keyframes, so the scene plays back and renders even with the addon disabled, whether you hand the file to a teammate or open it on a render farm. Sparks spawn at the real impact point and stay glued to the surface, with adjustable color, brightness, size, count and spread. A live aim line previews where the shot lands and stays hidden in the final render.
Presets ship built in, with save/load for your own setups, and you can resize any flash with a single slider. Place emitters on multiple barrels to fire independently, and use Delete Last Shot to remove a shot and snap the timeline back.
Muzzle Flash Fx Pro is best for action and combat cinematics, game trailers and in-engine-style shots, motion graphics and title sequences, and VFX practice and breakdown reels.
Muzzle Flash Fx Pro is completely free to download and use.
Muzzle Flash Fx Pro works in Blender 3.2 and up. It produces its flashes and sparks in both the Eevee and Cycles render engines, so you can use it whether your project renders in real time or with path tracing. Beyond the render engine, the effect is built around a simple emitter you point and fire, and every shot is baked to keyframes. For the latest details on supported versions, check the developer's page.
Muzzle Flash Fx Pro bakes every flash and every spark straight to keyframes, so the effect keeps playing and rendering even with the addon disabled. That means you can hand the file to a teammate, open it on a render farm, or turn the addon off entirely and the shots still appear correctly. Sparks are also merged into a single optimized object per burst, which keeps the scene light enough to fire hundreds of shots across a sequence.
Muzzle Flash Fx Pro supports multiple weapons in a single scene. You can place an emitter on every barrel and fire each one independently, so a tank with four miniguns, a gunship, or a whole squad can all shoot from the same file. Select an emitter, hit FIRE, and stagger the shots however you like. Flexible per-shot duration lets you fire a quick pistol pop or hold a long machine-gun burst, and Delete Last Shot removes a shot and snaps the timeline back.
Muzzle Flash Fx Pro can lock the gun onto any object and keep following it as the target moves through your animation. You can switch back to manual aiming at any time with one click, or mount the emitter on an animated weapon so the flash rides along and fires in the right direction on every frame. A live aim line previews exactly where the shot will land before you fire, updating as you rotate or play the timeline, and it stays hidden in the final render.
Muzzle Flash Fx Pro is listed as free in this catalog. Licensing and any purchase terms can change, so check the developer's page for the current details before you rely on it. Once installed, setup is a single emitter you point and fire, presets ship built in with save/load for your own spark looks, and you can resize any flash on the fly with a single slider. A demo video is also available.

by Mk3dLab
Fluid Painter is a Blender add-on that uses Geometry Nodes to paint fluids over any 3D surface with a curve. It ships with 30+ presets compatible with Eevee and Cycles.

by Alt Tab
Alt Tab Easy Fog adds volumetric materials to Blender, with more than 35 presets and one-click automatic fog for atmospheric depth and lighting effects. It's compatible with Blender 4.0 through 4.5.

by antoine bagattini
Baga Rain Generator adds rain to Blender scenes using geometry nodes, affecting only surfaces exposed to the rain. It includes a procedural rain shader generator that overlays onto existing materials.
by CGMatter
Camera Tracker 6 is a Blender add-on that uses photogrammetry to produce automatic camera and tripod solves. It also handles rotomation, variable focal length, dense point clouds, pinning, undistortion, and object tracks.

by Alt Tab
Alt Tab Easy Fog 2 is a Blender addon for adding realistic volumes like fog, smoke, and godrays. It bundles over 50 procedural materials, more than 100 VDBs, and a range of abstract shaders.

by LIGHTARCHITECT
Khaos: Ultimate Explosion/Destruction Add-On brings explosion and destruction tools to Blender, bundling two versions—KHAOS Detonator for procedural mesh explosion systems and KHAOS Legacy for smoke, debris particle effects and rigid body fracture tools.