Tonic – Easy to Use LAN Instant Messenger

March 1, 2008 – 6:05 pm

Some people think that instant messaging is just pure evil. They think instant messaging is a big time waster. Some organizations even blocked instant messaging connections (Yahoo! Messenger, AOL, Hotmail, GTalk) so their employees can’t chit-chat with the outside world. For me, I believe that IM can be a good thing if used wisely because it is one of the fastest ways to collaborate with each other.

Tonic is an instant messaging client with a slight difference. It is a LAN instant messenger – meaning that it only allows you to chat with people inside your local area network.



There are few situations that you will find Tonic most useful:

  • You need a quick-to-setup IM client that is limited to a local area network, for example: a LAN party.
  • Your company blocked IM connections to and from external networks. The problem is that you feel the need to have instant communications with the people inside your company (for work!)


Tonic LAN Instant Messaging Client Features

  • Easy to use – no server software is needed. Download Tonic, install it and you are done.
  • Friend auto discovery – Tonic automatically finds other Tonic users inside your network.
  • User availability status – Online, Offline, Away, Do Not Disturb, or Invisible.


  • Image avatars – Choose an icon that represents you. You can create your own if you wish to.


  • File transfer support – transfer and receive files between office mates seamlessly.


  • Choose your message appearance for extra personalization.


  • Chat history – for extra privacy, you can clean conversation history too.
  • Advanced connections – if some of your office mates are in another network subnet, add their broadcast address on the “Manage Connections” menu, thus allowing Tonic to discover them.
  • Announcement mode – you can broadcast important announcement to all Tonic clients instantly.


  • Quick poll + poll results – send a quick yes or no question for instant voting.

If you are looking to provide a quick instant messaging solution for users inside your LAN, do try out Tonic. It is easy to setup, freely available and has all the useful features of a LAN instant messenger.

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  1. 24 Responses to “Tonic – Easy to Use LAN Instant Messenger”

  2. Thanks for bringing this software up. Im used to BORGChat which I think the most complete LAN IM’ing software. The thing with BORGChat is it gets dependent of certain type of windows files which my custom XP does not. (I’m not going to install a few useless files just to run it). Tonic appearance and behavior familiar to online IM, something I rarely found in LAN IM’ing.
    Great review.

    By noris on Mar 1, 2008

  3. Thanks for this. Till now i used ipMessenger .

    By Madhur Kapoor on Mar 2, 2008

  4. @noris + @madhur: glad both of you love it too.

    By Syahid A. on Mar 2, 2008

  5. I use before a LAN IM software, it’s a shareware, forgot the name already. But this Tonic LAN IM looks better than my previous used software. I gonna give it a try , thanks for sharing.

    By Steve Yu on Mar 2, 2008

  6. I prefer Microosft communicator for LAN, its the best so far.

    By Nirmal on Mar 3, 2008

  7. Great job! Image avatars are very funny.
    we will check your software, its looking interesting.

    By LAN messenger team on Mar 3, 2008

  8. I’d really love to see something like this, but with voice support. Do you know any?

    By Thilak on Mar 13, 2008

  9. @Thilak: Sorry, I will post later if I can find one.

    By Syahid A. on Mar 13, 2008

  10. is there tonic for mac ?

    By ilhan on Apr 30, 2008

  11. @ilhan: Sadly, no.

    By Syahid A. on Apr 30, 2008

  12. How can i install an user for tonic when i install administator as user it will working properly but i logg on to an user it will show tht particular user

    By vinod on Jul 24, 2008

  13. @vinod: You should go / email at the Tonic forum / FAQ’s, imo. :D

    By Syahid A. on Jul 26, 2008

  14. Does this works on Wimax Lan ??

    By BlogsDNA on Jul 28, 2008

  15. @BlogsDNA: Not related to a network really, should work fine as long as you are connected to the local LAN.

    By Syahid A. on Jul 28, 2008

  16. Hello,

    sorry for my english I’m a frech user.

    It’s really a great soft. Now we have lot of users. Is there any way to create some group of contact because the list is too long ?

    Is there a new version coming ?



    By Jérôme on Aug 13, 2008

  17. @Jerome: I did not know yet on how to do that Jerome. You might want to mail the developers.

    By Syahid A. on Aug 13, 2008

  18. Yes but you know where i can found their email?

    I don’t find lot of information about this project on Internet…

    By Jérôme on Aug 13, 2008

  19. @Jerome: They have their own support page. Just go there and submit your suggestions there.

    By Syahid A. on Aug 14, 2008

  20. Thank you :)

    By Jérôme on Aug 14, 2008

  21. Thanks for bringing this software up.

    By BigAnt on Oct 22, 2008

  22. Will there be a version released for Linux? It would be extremely helpful if there was.

    By Matt on Nov 10, 2008

  23. Thanks for this excellent software. Its perfect for our needs as its small and fun and easy to install.

    I was wondering if it we can expect a Unicode supported version. We are a translation team and it will prove extremely valuable if they can type in Sinhalese (Sri Lanka)

    Tonic is installed on Vista/Win7 PCs

    Thanks for your excellent work!

    By Alfie on Apr 8, 2010

  24. We have using BigAnt Office Messenger for around 2 years. We love it because it continue adding new features (remote desktop, LDAP support, conference chat mode) and offer free upgrade to registered users

    By Alice on Jun 23, 2010

  25. i have been looking for a program just like this, easy to use, simple, functional, just awesome thank you so much.

    By SAbo on Jul 18, 2010

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