Keeping your gutters clean requires determination, schedule and a bunch of tools, as you need to reach different parts of a gutter and make sure there is no debris and to clean it of dirt. So make sure you have all the needed instruments before getting your hands dirty.

The list includes: 

Protection items, such as heavy-duty gloves to protect your hands from sharp debris and dirt, and safety glasses to shield your eyes. It is best to get waterproof gloves with good grip.

A sturdy, extendable ladder to reach the gutters safely. It is better to find a ladder with a ladder stabilizer to prevent damage to the gutters and ensure stability.

A small plastic scoop or trowel to remove debris from the gutters. There are many scoop sizes and shapes, so make sure to get a scoop specifically designed for gutter cleaning – it’ll fit the shape of the gutters perfectly, providing faster and better cleaning.

A hose with a high-pressure spray nozzle – you will use it to flush out remaining debris and check for proper water flow. If you need different spray intensities, find a nozzle with adjustable settings for 
A container to collect debris as you clean.

That being said, you might find other tools for cleaning, but these are better left for the professional gutter cleaners Professionals always have the necessary equipment, expertise, and safety training to handle complex and potentially hazardous cleaning tasks. The equipment may include:

Roof inspection tools

These tools require technical knowledge and expertise to operate and interpret results accurately. Professionals use drones or specialized cameras to inspect the roof and gutter system for damage.

Safety harness and rope systems

Proper use of safety harnesses and ropes requires training to ensure safety and prevent falls. Usually the safety gear is used for working at heights, especially on multi-story buildings.

The equipment stated lower is quite expensive, as a rule, so it is really better to leave it to professionals to use:

Vacuum systems

Industrial-grade vacuum systems designed to remove debris from gutters require specialized training to use effectively.

Pressure washer

A high-powered pressure washer requires expertise to avoid damage. Improper use can damage the gutters or roof, and high-pressure water can cause injury. Otherwise, it is an effective way to clean gutters and downspouts.

Gutter robots

These robotic devices  often require professional maintenance and operation; their task is to crawl through the gutters, removing debris.

Remember to ask for professional help if you are afraid of heights, or do not have the time to clean gutters yourself, or there are complex matters which could damage the gutter system with DIY cleaning.