Evaluation

1. setting

1.1. freelancer

1.2. research

1.3. professional

2. environment

2.1. web-based

2.2. standalone

2.3. framework

3. cost

3.1. free

3.2. subscription

3.3. one-time payment

4. features

4.1. import and export from and to

4.2. interface's supported languages

4.3. handles different types of documents