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Free & Open Source · Since 2015

Bottle Biosphere Guide __full__ Full

Experience fast and secure screen sharing both offline and on the go. Offering seamless experience to share your screen with others, anytime and anywhere!

192.168.1.100:9000
60fps
Quality
LAN
Network
3
Viewers
Broadcasting on local network
Viewer connected via browser

Everything you need, nothing you don't

Designed with simplicity first. No bloat, no subscriptions, no tracking — just screen sharing that works.

Offline
No internet needed. Works entirely on local networks via WiFi or Cable connection.
Portable
Single executable file. No installation needed. Clients connect simply via their web browser.
Unlimited
No artificial limits. Viewer capacity depends only on your hardware and network capacity.
Free
Completely FREE! and always will be. Since 2015 and still counting — zero cost, forever.
Secure
Password protection for private sessions. Control who can view your screen at any time.
Configurable
JSON-based configuration system. Tweak every setting to match your exact workflow.

Up and running in seconds

01
Configure your session
Select screen, network interface, port, quality, and screenshot interval from the simple UI.
02
Set optional protection
Enable username/password protection to keep your session private and secure.
03
Share the address
Viewers access your screen via any web browser using your IP and port — no software needed on their end.
04
Auto-start support
Run ScreenTask in the system tray with auto-start capability for always-on sharing.
ScreenTask v1.2
ScreenTask application screenshot showing the configuration panel with IP, port, screen selection, and launch controls

Loved by teams worldwide

"I recently discovered ScreenTask and I'm so happy I did! It's been a great way to share my screen with teammates and clients alike. The video quality is always top notch. Highly recommend!"

JB
Jess Brown
Team Lead

"I've been using ScreenTask for 3 years now and it's been a great experience. The setup was quick and easy, and the quality of the screen sharing is really good. Perfect App!"

SW
Shane Warne
Developer

"ScreenTask has been a lifesaver for our team. We're able to quickly and easily share our screens and collaborate on projects in real-time. The app is intuitive and easy to use."

SJ
Sam Jones
Product Manager

Bottle Biosphere Guide __full__ Full

Stop buying expensive terrariums and start building your own. All you need is a bottle, some moss, and a little bit of patience.

While self-sustaining, a bottle biosphere still requires occasional monitoring and environmental adjustments. Lighting Requirements

Once the morning fog/afternoon clear cycle repeats consistently for a few days, seal the lid permanently. Long-Term Maintenance and Care

: The vapor hits the glass walls and turns back into droplets. bottle biosphere guide full

: Place the bottle in bright, indirect light. Never place it in direct sunlight; the glass will act as a greenhouse and cook your plants.

Once the morning-only condensation cycle stabilizes, seal the lid permanently. Long-Term Maintenance and Troubleshooting

: Use a clear glass or high-quality plastic bottle. The clarity is vital for sunlight penetration. Stop buying expensive terrariums and start building your own

: About 8 cm of high-quality potting soil or peat-free coir compost. For tropical plants, a mix containing sphagnum peat moss or coco coir is ideal. Step-by-Step Construction Guide

Sunlight warms the water in the soil, causing it to evaporate. This water vapor rises, hits the cool glass walls of the bottle, and condenses. It then runs back down into the soil as simulated rain, creating a continuous loop. The Oxygen and Carbon Dioxide Cycles During the day, plants use light and carbon dioxide ( CO2cap C cap O sub 2

: Unlock the "office window job" by purchasing the specific item from the Suspicious Store Never place it in direct sunlight; the glass

: Use a funnel to add your potting mix. Ensure the soil is deep enough (usually 5–8 cm) to anchor your chosen plants. Insert the Plants : Poke a hole in the soil using a stick or dowel.

Add 2 to 3 inches of your soil mix. Do not pack the soil down too tightly; loose soil allows roots to breathe and springtails to burrow. Step 4: Arrange and Plant

: Light fog or condensation appears on the glass in the morning and clears up by midday.

Open-source screen sharing made simple

ScreenTask is a passion project by Eslam Hamouda for simple, reliable local network screen sharing without internet dependency.

Started in 2015 with a focus on simplicity and reliability, ScreenTask has grown through active community contributions into a trusted tool for teams and individuals who need offline screen sharing that just works.

GPL v3 Open Source Since 2015 Community Driven
2015
Project started
830+
GitHub stars
v1.2
Latest version
Free
Always & forever

Get ScreenTask

Free to download, free to use, free forever. Pick your platform and start sharing in minutes.

Cross-Platform

Linux · macOS
Java JRE Required Community

A community-maintained cross-platform version written in Java, bringing ScreenTask to Linux and macOS. Requires the Java Runtime Environment.

Ready to share your screen?

Join thousands of users who rely on ScreenTask for fast, offline screen sharing. No signup, no cost, no limits.

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