This week, seven software stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

Vringo, Inc. (VRNG) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. Vringo provides products for mobile video entertainment and personalization. For more information, get Portfolio Grader’s complete analysis of VRNG stock.

Monotype Imaging Holdings (TYPE) shows solid improvement this week. The company’s rating rises from a C to a B. Monotype Imaging Holdings is a global provider of text imaging solutions for printing digital text. For more information, get Portfolio Grader’s complete analysis of TYPE stock.

This week, Ebix, Inc. (EBIX) is showing good progress as the company’s rating jumps from a B (“buy”) last week to an A (“strong buy”). Ebix provides a series of application software products for the insurance industry, including carrier systems and agency systems. For more information, get Portfolio Grader’s complete analysis of EBIX stock.

MICROS Systems, Inc.’s (MCRS) ratings are looking better this week, moving up to a B from last week’s C. Micros Systems designs, manufactures, markets, and services enterprise information solutions for hospitality and retail industries worldwide. For more information, get Portfolio Grader’s complete analysis of MCRS stock.

This week, Descartes Systems Group Inc. (DSGX) pushes up from a C to a B rating. Descartes Systems is a global provider of federated network and global logistics technology solutions that help its customers make and receive shipments and manage related resources. For more information, get Portfolio Grader’s complete analysis of DSGX stock.

Progress Software Corporation (PRGS) improves from a C to a B rating this week. Progress Software develops, markets, and distributes application development, deployment, and integration software to business, industry, and government worldwide. For more information, get Portfolio Grader’s complete analysis of PRGS stock.

Aware, Inc. (AWRE) is seeing ratings go up from a C last week to a B this week. Aware supplies various products for the biometrics and digital subscriber line (DSL) service assurance industries primarily in the United States and Germany. 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.