4 Software stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

Tyler Technologies, Inc. (TYL) earns a B this week, jumping up from last week’s grade of C. Tyler Technologies, Inc. provides integrated software systems and related services for local-government entities such as counties and schools. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of TYL stock.

Proofpoint, Inc. (PFPT) shows solid improvement this week. The company’s rating rises from a C to a B. Proofpoint, Inc. provides threat protection, regulatory compliance, archiving and governance, and secure communication solutions worldwide. The company also gets A’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of PFPT stock.

This week, iDreamSky Technology Ltd. Sponsored ADR Class A’s (DSKY) ratings are up from a B last week to a A. The company also gets A’s in sales growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of DSKY stock.

Aware, Inc.’s (AWRE) ratings are looking better this week, moving up to a B from last week’s C. Aware, Inc. supplies various products for the biometrics and digital subscriber line (DSL) service assurance industries primarily in the United States and Germany. The company also gets A’s in sales growth, earnings growth, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of AWRE stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.