Gancio

A free open source collaborative online calendar. It allows local communities to share a common calendar that anyone can post events to, even people without an account. (Posts are moderated to prevent spam though.) You can also interact with Gancio through the Fediverse, and it has RSS support for people who want to follow through feed readers.

Fediverse address:
@gancio@mastodon.cisti.org

FediMeteo Nova Scotia

Weather forecast accounts for Nova Scotia, Canada. Follow an account to see forecasts for that town or city.

Fediverse addresses (in English & French):
@amherst__nova_scotia@ca.fedimeteo.com
@antigonish__nova_scotia@ca.fedimeteo.com
@bridgewater__nova_scotia@ca.fedimeteo.com
@halifax__nova_scotia@ca.fedimeteo.com
@kentville__nova_scotia@ca.fedimeteo.com
@new_glasgow__nova_scotia@ca.fedimeteo.com
@port_hawkesbury__nova_scotia@ca.fedimeteo.com
@sydney__nova_scotia@ca.fedimeteo.com
@truro__nova_scotia@ca.fedimeteo.com
@yarmouth__nova_scotia@ca.fedimeteo.com

Tusky

Free open source Mastodon app for Android phones, available through F-Droid and Google Play. Can also be used by other Fediverse platforms that use the Mastodon API such as PixelFed and GoToSocial. One of the very earliest apps for Mastodon, first released in 2017.

Fediverse address:
@Tusky@mastodon.social

Fediphoto Lineage

An app for Android phones available through F-Droid which makes it as easy as possible to share photos on the Fediverse. It’s based on an app by PLA, who enjoyed sharing pictures on the Fediverse while out and about. PLA sadly died in January 2021, and Fediphoto Lineage aims to honour his memory by keeping his project alive.

Fediverse address:
@fediphoto_lineage@libranet.de

FediMeteo New Jersey

Weather forecast accounts for New Jersey, USA. Follow an account to see forecasts for that town or city.

Fediverse addresses:
@atlantic_city__new_jersey@us.fedimeteo.com
@bayonne__new_jersey@us.fedimeteo.com
@bridgeton__new_jersey@us.fedimeteo.com
@camden__new_jersey@us.fedimeteo.com
@clifton__new_jersey@us.fedimeteo.com
@east_orange__new_jersey@us.fedimeteo.com
@elizabeth__new_jersey@us.fedimeteo.com
@garfield__new_jersey@us.fedimeteo.com
@hackensack__new_jersey@us.fedimeteo.com
@hoboken__new_jersey@us.fedimeteo.com
@jersey_city__new_jersey@us.fedimeteo.com
@long_branch__new_jersey@us.fedimeteo.com
@millville__new_jersey@us.fedimeteo.com
@new_brunswick__new_jersey@us.fedimeteo.com
@newark__new_jersey@us.fedimeteo.com
@passaic__new_jersey@us.fedimeteo.com
@paterson__new_jersey@us.fedimeteo.com
@perth_amboy__new_jersey@us.fedimeteo.com
@plainfield__new_jersey@us.fedimeteo.com
@rahway__new_jersey@us.fedimeteo.com
@summit__new_jersey@us.fedimeteo.com
@trenton__new_jersey@us.fedimeteo.com
@union_city__new_jersey@us.fedimeteo.com
@vineland__new_jersey@us.fedimeteo.com
@west_new_york__new_jersey@us.fedimeteo.com

Science Fiction & Fantasy Poetry Association

Non-profit organisation dedicated to speculative poetry including science fiction, fantasy, horror and related areas. Founded in 1978, based in the United States.

Fediverse address:
@sfpoetry@mastodon.world

Joey Deruy

Self-taught, exhibited artist with a distinctive abstract style using colourful shapes on pale backgrounds, sometimes with figurative and other non-abstract elements mixed in. Deruy was partly raised in Kenya, and there are African influences on his art too.

Fediverse address:
@JoeyDeruy@mastodon.art

FediMeteo New Mexico

Weather forecast accounts for New Mexico, USA. Follow an account to see forecasts for that town or city.

Fediverse addresses:
@albuquerque__new_mexico@us.fedimeteo.com
@belen__new_mexico@us.fedimeteo.com
@bernalillo__new_mexico@us.fedimeteo.com
@carlsbad__new_mexico@us.fedimeteo.com
@clovis__new_mexico@us.fedimeteo.com
@deming__new_mexico@us.fedimeteo.com
@edgewood__new_mexico@us.fedimeteo.com
@farmington__new_mexico@us.fedimeteo.com
@gallup__new_mexico@us.fedimeteo.com
@grants__new_mexico@us.fedimeteo.com
@hobbs__new_mexico@us.fedimeteo.com
@las_cruces__new_mexico@us.fedimeteo.com
@las_vegas__new_mexico@us.fedimeteo.com
@los_lunas__new_mexico@us.fedimeteo.com
@portales__new_mexico@us.fedimeteo.com
@raton__new_mexico@us.fedimeteo.com
@rio_rancho__new_mexico@us.fedimeteo.com
@roswell__new_mexico@us.fedimeteo.com
@santa_fe__new_mexico@us.fedimeteo.com
@shiprock__new_mexico@us.fedimeteo.com
@silver_city__new_mexico@us.fedimeteo.com
@socorro__new_mexico@us.fedimeteo.com
@sunland_park__new_mexico@us.fedimeteo.com
@taos__new_mexico@us.fedimeteo.com
@truth_or_consequences__new_mexico@us.fedimeteo.com

Bits & Bäume (“Bits & Trees”)

German campaign group which aims to build bridges between technology fans and environmentalists.

Fediverse address (main account, in German):
@bits_und_baeume@mastodon.bits-und-baeume.org

Fediverse address (Berlin branch, in German):
@bitsundbaeume_berlin@mastodon.bits-und-baeume.org

Fediverse address (Dresden branch, in German):
@BitsUndBaeumeDresden@dresden.network

The Tor Project

Non-profit organisation that maintains the Tor network, which allows people to communicate anonymously over the internet thanks to a special network that scrambles any attempts to trace connections. The easiest way to use Tor is with the Tor web browser, which you can download from their website.

Fediverse address:
@torproject@mastodon.social

Luanti (formerly known as Minetest)

Free open source 3D game engine, for creating Minecraft-style games and worlds. There’s a large range of game modes and mods available, including online multiplayer. It’s available for Linux, Mac, Windows, BSD and Android.

Fediverse address:
@Luanti@floss.social

FediMeteo Indiana

Weather forecast accounts for Indiana, USA. Follow an account to see forecasts for that town or city.

Fediverse addresses:
@anderson__indiana@us.fedimeteo.com
@bloomington__indiana@us.fedimeteo.com
@carmel__indiana@us.fedimeteo.com
@columbus__indiana@us.fedimeteo.com
@elkhart__indiana@us.fedimeteo.com
@evansville__indiana@us.fedimeteo.com
@fishers__indiana@us.fedimeteo.com
@fort_wayne__indiana@us.fedimeteo.com
@gary__indiana@us.fedimeteo.com
@goshen__indiana@us.fedimeteo.com
@greenwood__indiana@us.fedimeteo.com
@indianapolis__indiana@us.fedimeteo.com
@jeffersonville__indiana@us.fedimeteo.com
@kokomo__indiana@us.fedimeteo.com
@lafayette__indiana@us.fedimeteo.com
@marion__indiana@us.fedimeteo.com
@mishawaka__indiana@us.fedimeteo.com
@muncie__indiana@us.fedimeteo.com
@new_albany__indiana@us.fedimeteo.com
@noblesville__indiana@us.fedimeteo.com
@portage__indiana@us.fedimeteo.com
@richmond__indiana@us.fedimeteo.com
@south_bend__indiana@us.fedimeteo.com
@terre_haute__indiana@us.fedimeteo.com
@valparaiso__indiana@us.fedimeteo.com

FediMeteo Quebec

Weather forecast accounts for Quebec, Canada. Follow an account to see forecasts for that town or city.

Fediverse addresses (in English & French):
@amos__quebec@ca.fedimeteo.com
@baie_comeau__quebec@ca.fedimeteo.com
@drummondville__quebec@ca.fedimeteo.com
@gaspe__quebec@ca.fedimeteo.com
@gatineau__quebec@ca.fedimeteo.com
@granby__quebec@ca.fedimeteo.com
@laval__quebec@ca.fedimeteo.com
@mont_tremblant__quebec@ca.fedimeteo.com
@montreal__quebec@ca.fedimeteo.com
@quebec_city__quebec@ca.fedimeteo.com
@rimouski__quebec@ca.fedimeteo.com
@rouyn_noranda__quebec@ca.fedimeteo.com
@saguenay__quebec@ca.fedimeteo.com
@saint_jean_sur_richelieu__quebec@ca.fedimeteo.com
@sept_iles__quebec@ca.fedimeteo.com
@sherbrooke__quebec@ca.fedimeteo.com
@trois_rivieres__quebec@ca.fedimeteo.com
@val_d_or__quebec@ca.fedimeteo.com

FediMeteo Poland

Weather forecast accounts for cities in Poland. Follow your city to receive its weather forecasts in Polish in your timeline.

Fediverse addresses (in Polish):
@bialystok@pl.fedimeteo.com
@bydgoszcz@pl.fedimeteo.com
@czestochowa@pl.fedimeteo.com
@elblag@pl.fedimeteo.com
@gdansk@pl.fedimeteo.com
@gliwice@pl.fedimeteo.com
@gorzow@pl.fedimeteo.com
@gorzow_wielkopolski@pl.fedimeteo.com
@grudziadz@pl.fedimeteo.com
@jastrzebie_zdroj@pl.fedimeteo.com
@kalisz@pl.fedimeteo.com
@katowice@pl.fedimeteo.com
@kielce@pl.fedimeteo.com
@krakow@pl.fedimeteo.com
@legnica@pl.fedimeteo.com
@lodz@pl.fedimeteo.com
@lublin@pl.fedimeteo.com
@olsztyn@pl.fedimeteo.com
@opole@pl.fedimeteo.com
@plock@pl.fedimeteo.com
@poznan@pl.fedimeteo.com
@radom@pl.fedimeteo.com
@rzeszow@pl.fedimeteo.com
@szczecin@pl.fedimeteo.com
@tarnow@pl.fedimeteo.com
@torun@pl.fedimeteo.com
@walbrzych@pl.fedimeteo.com
@warszawa@pl.fedimeteo.com
@wroclaw@pl.fedimeteo.com
@zielona_gora@pl.fedimeteo.com

MPS Göttingen (Max Planck Institute for Solar System Research)

Research establishment in Göttingen, Germany which studies all the bodies that make up our solar system including the Sun, the planets, the asteroids etc. The Institute develops scientific instruments that are sent into space on ESA and NASA missions.

Fediverse address (in English & German):
@mpsgoettingen@academiccloud.social

FediMeteo Massachusetts

Weather forecast accounts for Massachusetts, USA. Follow an account to see forecasts for that town or city.

Fediverse addresses:
@attleboro__massachusetts@us.fedimeteo.com
@boston__massachusetts@us.fedimeteo.com
@brockton__massachusetts@us.fedimeteo.com
@burlington__massachusetts@us.fedimeteo.com
@cambridge__massachusetts@us.fedimeteo.com
@chicopee__massachusetts@us.fedimeteo.com
@fall_river__massachusetts@us.fedimeteo.com
@fitchburg__massachusetts@us.fedimeteo.com
@haverhill__massachusetts@us.fedimeteo.com
@lawrence__massachusetts@us.fedimeteo.com
@leominster__massachusetts@us.fedimeteo.com
@lowell__massachusetts@us.fedimeteo.com
@lynn__massachusetts@us.fedimeteo.com
@malden__massachusetts@us.fedimeteo.com
@medford__massachusetts@us.fedimeteo.com
@new_bedford__massachusetts@us.fedimeteo.com
@newton__massachusetts@us.fedimeteo.com
@northampton__massachusetts@us.fedimeteo.com
@pittsfield__massachusetts@us.fedimeteo.com
@quincy__massachusetts@us.fedimeteo.com
@revere__massachusetts@us.fedimeteo.com
@somerville__massachusetts@us.fedimeteo.com
@springfield__massachusetts@us.fedimeteo.com
@taunton__massachusetts@us.fedimeteo.com
@weymouth__massachusetts@us.fedimeteo.com
@worcester__massachusetts@us.fedimeteo.com

FediMeteo Lithuania

Weather accounts for cities and towns in Lithuania. Follow an account to see its forecasts in Lithuanian.

Fediverse addresses (in Lithuanian):
@alytus@lt.fedimeteo.com
@birzai@lt.fedimeteo.com
@elektrenai@lt.fedimeteo.com
@jonava@lt.fedimeteo.com
@kaunas@lt.fedimeteo.com
@kazlu_ruda@lt.fedimeteo.com
@kedainiai@lt.fedimeteo.com
@kelme@lt.fedimeteo.com
@klaipeda@lt.fedimeteo.com
@kupiskis@lt.fedimeteo.com
@marijampole@lt.fedimeteo.com
@mazeikiai@lt.fedimeteo.com
@moletai@lt.fedimeteo.com
@nida@lt.fedimeteo.com
@pakruojis@lt.fedimeteo.com
@panevezys@lt.fedimeteo.com
@pasvalys@lt.fedimeteo.com
@plunge@lt.fedimeteo.com
@prienai@lt.fedimeteo.com
@radviliskis@lt.fedimeteo.com
@rokiskis@lt.fedimeteo.com
@rusne@lt.fedimeteo.com
@sakiai@lt.fedimeteo.com
@siauliai@lt.fedimeteo.com
@silale@lt.fedimeteo.com
@silute@lt.fedimeteo.com
@sirvintos@lt.fedimeteo.com
@svencionys@lt.fedimeteo.com
@taurage@lt.fedimeteo.com
@telsiai@lt.fedimeteo.com
@utena@lt.fedimeteo.com
@varena@lt.fedimeteo.com
@viesvile@lt.fedimeteo.com
@vilkaviskis@lt.fedimeteo.com
@vilnius@lt.fedimeteo.com
@visaginas@lt.fedimeteo.com
@zarasai@lt.fedimeteo.com

Radio Regentrude

German-language online music radio station. The station is non-profit, non-commercial, legally licensed, and funded by the people who run it. The music is international, programmes are mainly in German, but with some shows in English.

Fediverse address (in German):
@Radio_Regentrude@troet.cafe

Hare

A new programming language currently under development. The developers describe it as: “a systems programming language designed to be simple, stable, and robust” and “well-suited to low-level, high performance tasks.” Apparently it fits onto one 3.5 inch disk! 💾

Fediverse address:
@hare@fosstodon.org