Google has made their Nix photography tools collection available for free. The tools include:
- Analog Efex Pro — camera, film, and lens effects
- Color Efex Pro — color filters and correction
- Silver Efex Pro — black and white photography
- Viveza — color and tone adjustments without masks
- HDR Efex Pro — high dynamic range effects
- Sharpener Pro — image sharpening
- Dfine — noise correction