DBComparer is described as 'professional database comparison tool for analyzing the differences in Microsoft SQL Server 2008 (and 2005) database structures. It excellent tool for any project development team or DBA managing multiple copies of the same database on an SQL Server'. There are seven alternatives to DBComparer for Windows, Linux, SQL Server Management Studio and Mac. The best alternative is Open DBDiff, which is both free and Open Source. Other great apps like DBComparer are Red Gate Sql Compare (Paid), dbForge Schema Compare for SQL Server (Paid), Replicator (Paid) and a7 SqlTools (Free).
Open DBDiff is an open source database schema comparison tool for SQL Server 2005+. It reports differences between two database schemas and provides a synchronization script to upgrade a database from one to the other.
Whether you need to simply compare two databases or set up replication, you have come to the right place. Replicator does not change the reference database in any way nor requires setting up customs agents or triggers in your databases.
dbForge Compare Bundle for SQL Server contains two separate tools, dbForge Schema Compare for SQL Server and dbForge Data Compare for SQL Server to compare, analyze, and synchronize data of Microsoft SQL Server databases.