The meeting will take place the 27 and 28 July 2019.
The event will take place in the April offices. April is an association for the defense and promotion of free software.
The offices are relatively close to the Gare Montparnasse railway station.
In addition to trains, Gare Montparnasse railway station has also, in the same building, there is a metro station where you can access the metro lines 4, 6, 12 and 13.
The two main airports near Paris are the Roissy Charles de Gaulle International Airport and the Paris Orly Airport.
To get to the Gare Montparnasse railway station from the Roissy Charles de Gaulle International Airport by public transportation, you can take the RER B metro line up to the Denfert-Rochereau station where you can take the line 6 up to the Gare Montparnasse railway station.
To get to the Gare Montparnasse railway station from the Paris Orly Airport by public transportation, you can take the Orlyval up to the Antony stop, and from there take the RER B metro line up to the Denfert-Rochereau station where you can take the line 6 up to the Gare Montparnasse railway station.
It also has pages on the Roissy Charles de Gaulle International Airport and the Paris Orly Airport with more details on the public transportation lines to use to go to Paris, which tickets to buy, etc.
You can use the Replicant private contact mail address in advance to obtain the cellphone number of an organizer to be able to use it in case of issue (like being lost, not finding the location of the meeting, etc).
Precise schedule:
Saturday: Noon -> Night?
Sunday: 9H or 10H AM -> 14H?