Here's what's currently available  on flat fees as of Oct., 2021:
 

Here is a list of the same for the SEO Gods.

Divorce
Paternity
Community Property
QDRO
Separate Property
Real Property
Retirement Assets
Custody
Alimony
Spousal Maintenance
Spousal Support
LLLT
APR 28
Limited Licensed Legal Technician
DIY Family Law
Custody
Child Support
Temporary Orders

MAP

CHECK

AGREE

APPEAR (LLLT)

APPEAR (Attorney)

CONSULT

Sealed Financial Source Documents

Financial Declaration

Petition for Dissolution

Response to Petition to Dissolution

Petition for Parentage

Response to a Petition for Parentage (Paternity)

Committed Intimate Relationships

Prenuptual Agreement

Separation Agreement

Anti-harassment Order

Domestic Violence Protection Order

ex parte Temporary Restraining Order

Notice of  Intent to Relocate

Objection to the Notice of Intent to Relocate

Motion for Temporary Family  Law Orders

Parenting Plan Insert

Child Support Order Insert

Financial Docs

Modification of Parenting Plan

Motion for Adequate Cause

Child Support Modification

Child Support Adjustment

Discovery: ROGS & RFPS

Discovery: Depositions

Motion for Contempt 

Motion to Enforce

Meet & Confer (CR 26)

Motion to Compel 

Motion to Continue 

Motion to Default 

Motion to Dismiss 

Motion to Clarify 

Motion to Shorten Time 

Response to (see all of the above)

Strict Reply

ex parte via the clerk 

ER 408 Protected Settlement Offer

Mediation Preparation

Agreed Orders

Arbitration Preparation

Administative Child Support Hearing

Trial Setting

LLLT appearance

Attorney Appearance

Arbitration Appearance

Mediation Appearance

Trial Books

Trial

Renote a Hearing

Story Telling: Declarations

Electronic Stipulations

Hand filing/working copies (Snoho)

e-filing with working copies (King & Pierce)