add link to all good/bad services, and remove them from ugly services; simplify esp. ugly services

1 files changed, 43 insertions, 39 deletions

diff --git a/README.md b/README.md
index c37ffa6..f8d47b0 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,10 @@ so use that unless you need a specific feature unavailable there.
 
 ### sip2sip.info
 
+<https://sip2sip.info>
+uses Free software
+and requires relatively light hardware to self-host.
+
 Login is intuitive and step-wise,
 using ad-hoc identity.
 Connect to <https://sip2sip.info/> and select room name,
@@ -41,6 +45,10 @@ Includes text chat
 
 ### letsmeet.no
 
+<https://letsmeet.no>
+uses Free software
+and requires relatively light hardware to self-host.
+
 Login is intuitive and step-wise,
 using either ad-hoc or Feide (EduGAIN, Twitter, Facebook, LinkedIn) identity.
 Connect to <https://letsmeet.no/> and select room name,
@@ -74,6 +82,10 @@ or for inspiration when exploring what is possible.
 
 ### tawk.space
 
+<https://tawk.space>
+uses Free software
+and requires relatively light hardware to self-host.
+
 No login.
 Connect to <https://tawk.space/>
 which is one big "room".
@@ -93,36 +105,44 @@ Includes per-participant pointer.
 
 ### roll.call
 
-[Roll Call](https://github.com/mikeal/roll-call)
-audio-only
-hosted at <https://roll.call>
+<https://roll.call>
+uses Free software
+but requires relatively heavy hardware to self-host.
+
+Supports multi-party audio-only sessions.
+
+Offers high-quality recording saved locally
+and transfered to remote participant after the session is done.
+
+Works only with the "Chromium" web browser.
 
 
 ### Jitsi
 
-[Jitsi Meet](https://jitsi.org/jitsi-meet/)
-using Jigasi and Jitsi Videobridge
-hosted at <https://meet.jit.si/>
+<https://meet.jit.si/>
+uses Free software
+but requires relatively heavy hardware to self-host.
 
 
 ### Matrix
 
-[Matrix](https://matrix.org/)
-using Jigasi and Jitsi Videobridge
+<https://matrix.org/> (a.k.a. <https://riot.im>)
+uses Free software
+but requires relatively heavy hardware to self-host.
 
 
 ### BigBlueButton
 
-[BigBlueButton](https://bigbluebutton.org/)
-using Kurento
-written in Java
+<https://bigbluebutton.org/>
+uses Free software
+but requires relatively heavy hardware to self-host.
 
 
 ### Wire
 
-[Wire](https://wire.com/)
-proprietary-protocol [Free Software](https://github.com/wireapp/wire) stack
-written in Haskell, Rust, C
+<https://wire.com/>
+uses Free software
+but a custom communication protocol.
 
 
 ## Ugly
@@ -133,52 +153,36 @@ Avoid them, they are bad for society.
 
 ### Talky
 
-[Talky](https://about.talky.io/)
-cloud SFU service
-hosted at <https://talky.io/>
+Talky is a non-free licensed cloud service.
 
 ### Me
 
-[Me](https://join.me/)
-cloud SFU service
+Me (a.k.a. join.me) is a non-free licensed cloud service.
 
 ### GoToMeeting
 
-cloud SFU service
+GoToMeeting is a non-free licensed cloud service.
 
 ### Zoom
 
-[Zoom Meetings](https://zoom.us/)
-cloud SFU service
-supporting "up to 50 participants at once"
-(but client bandwidth and resource demands and stability of such session is unknown)
+Zoom Meetings is a non-free licensed cloud service.
 
 ### Hangouts
 
-Hangouts Meet
-cloud SFU service
+Hangouts Meet is a non-free licensed cloud service.
 
 ### Webex
 
-Webex Meetings
-cloud SFU service
+Webex Meetings is a non-free licensed cloud service.
 
 ### Skype
 
-Skype
-cloud SFU service
-suporting "up to 25 participants at once"
-(but client bandwidth and resource demands and stability of such session is unknown)
+Skype is a non-free licensed cloud service.
 
 ### MoxieMeet
 
-MoxieMeet
-cloud SFU service
-requiring Google account
-supporting "up to 32 users all on video together"
-(but client bandwidth and resource demands and stability of such session is unknown)
+MoxieMeet is a non-free licensed cloud service
 
 ### TeamViewer
 
-TeamViewer
-cloud SFU service
+TeamViewer is a non-free licensed cloud service.