Open source replacement for commercial IIS MS Exchange MS proxy Active Directory FRP Database NMS Tools Web Mail Helpdesk Inventory Management Tools IT Network Tools Online Meeting Room tools VPN Mailing List Solutions.
Open Source Migration Guide
Here I have mentioned the Best Open Source products which are replacement for the commercial products.
1) Mail Server
Linux Sendmail with cyrus-imap is the good opensource replace for other commercial mailing solutions like Microsoft Exchange , Lotus Notes etc. We can integrate MailScanner and Clam-AV with Sendmail.
2) Web Server
Apache, Tomcat web servers can be used as a Replace for Microsoft IIS
3) Active Directory
Fedora DS with OpenLDAP Replace Microsoft AD
4) Proxy Server
Squid Proxy server is one of the best proxy server. Squid can be configured with lots of Access controls. Content filter, Upload & Download Limit, User Base access, time based access, block list, are the key features.
5) UTM / Soft Router
Untangle , pfsense
6) Database
Mysql, PostgreSQL, MariaDB
7) FTP /File Sharing Server
FTP Server – VSFTP
File Sharing – Pydio (Put your data in Orbit)
8) Network Monitoring Tools
Cacti, zabbix, Open NMS
9) Asset Management
GLPI – Information Resource-Manager with an additional Administration- Interface
10) Bug Tracking
Bugzilla Bug Tracker
11) Web Mail
Roundcube Web Mail
12) Online Booking
Booked Scheduler (formerly phpScheduleIt) – for Online Resource Booking
13) NAS Box
OpenNAS – for iscsi/NFS/CISF/SMB File Server
14) SAN
petaSAN
15) Terminal Server
LTSP – Linux Terminal Server Project
16) Mailint List
MailMan – for Mailing list
17) SIP EPBX
SIP Server – Asterisk / Asterisk Now, FreePBX, Trixbox
SIP Client – XLite
18) VPN
OPEN VPN for VPN or Site TO Site VPN