What is a worthy replacement for Apache Directory Studio?

Question

LDAP

For a long time they used Apache Directory Studio, everything suited them and lived without knowing the troubles. But, now the number of values ​​in the group has already become > 7K, now when you open this group, the program just crashes. Even in the terminal does not throw any messages. Tell me, who faced a similar jamb, how did you solve it? Or what do you use to manage an LDAP directory?

Answer 1

Here and here the
1st variant coped with 10 records.